13 files changed, 987 insertions, 0 deletions
diff --git a/tools/testfiles/vds/a.h5 b/tools/testfiles/vds/a.h5
new file mode 100644
index 0000000..fa19535
--- /dev/null
+++ b/tools/testfiles/vds/a.h5
diff --git a/tools/testfiles/vds/b.h5 b/tools/testfiles/vds/b.h5
new file mode 100644
index 0000000..08449ca
--- /dev/null
+++ b/tools/testfiles/vds/b.h5
diff --git a/tools/testfiles/vds/c.h5 b/tools/testfiles/vds/c.h5
new file mode 100644
index 0000000..ba9af30
--- /dev/null
+++ b/tools/testfiles/vds/c.h5
diff --git a/tools/testfiles/vds/d.h5 b/tools/testfiles/vds/d.h5
new file mode 100644
index 0000000..8eceb4a
--- /dev/null
+++ b/tools/testfiles/vds/d.h5
diff --git a/tools/testfiles/vds/f-0.h5 b/tools/testfiles/vds/f-0.h5
new file mode 100644
index 0000000..242df07
--- /dev/null
+++ b/tools/testfiles/vds/f-0.h5
diff --git a/tools/testfiles/vds/f-3.h5 b/tools/testfiles/vds/f-3.h5
new file mode 100644
index 0000000..539c1c9
--- /dev/null
+++ b/tools/testfiles/vds/f-3.h5
diff --git a/tools/testfiles/vds/vds-eiger.h5 b/tools/testfiles/vds/vds-eiger.h5
new file mode 100644
index 0000000..23d1fd3
--- /dev/null
+++ b/tools/testfiles/vds/vds-eiger.h5
diff --git a/tools/testfiles/vds/vds-first.ddl b/tools/testfiles/vds/vds-first.ddl
new file mode 100644
index 0000000..97b1ecf
--- /dev/null
+++ b/tools/testfiles/vds/vds-first.ddl
@@ -0,0 +1,210 @@
+HDF5 "vds-percival-unlim-maxmin.h5" {
+GROUP "/" {
+   DATASET "VDS-Percival-unlim-maxmin" {
+      DATATYPE  H5T_STD_I32LE
+      DATASPACE  SIMPLE { ( 20, 10, 10 ) / ( H5S_UNLIMITED, 10, 10 ) }
+      DATA {
+      (0,0,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (0,1,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (0,2,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (0,3,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (0,4,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (0,5,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (0,6,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (0,7,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (0,8,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (0,9,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (1,0,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (1,1,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (1,2,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (1,3,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (1,4,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (1,5,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (1,6,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (1,7,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (1,8,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (1,9,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (2,0,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (2,1,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (2,2,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (2,3,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (2,4,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (2,5,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (2,6,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (2,7,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (2,8,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (2,9,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (3,0,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (3,1,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (3,2,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (3,3,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (3,4,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (3,5,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (3,6,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (3,7,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (3,8,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (3,9,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (4,0,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (4,1,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (4,2,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (4,3,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (4,4,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (4,5,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (4,6,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (4,7,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (4,8,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (4,9,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (5,0,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (5,1,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (5,2,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (5,3,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (5,4,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (5,5,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (5,6,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (5,7,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (5,8,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (5,9,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (6,0,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (6,1,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (6,2,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (6,3,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (6,4,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (6,5,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (6,6,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (6,7,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (6,8,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (6,9,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (7,0,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (7,1,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (7,2,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (7,3,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (7,4,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (7,5,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (7,6,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (7,7,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (7,8,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (7,9,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (8,0,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (8,1,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (8,2,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (8,3,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (8,4,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (8,5,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (8,6,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (8,7,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (8,8,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (8,9,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (9,0,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (9,1,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (9,2,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (9,3,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (9,4,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (9,5,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (9,6,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (9,7,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (9,8,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (9,9,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (10,0,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (10,1,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (10,2,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (10,3,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (10,4,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (10,5,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (10,6,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (10,7,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (10,8,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (10,9,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (11,0,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (11,1,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (11,2,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (11,3,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (11,4,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (11,5,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (11,6,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (11,7,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (11,8,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (11,9,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (12,0,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (12,1,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (12,2,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (12,3,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (12,4,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (12,5,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (12,6,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (12,7,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (12,8,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (12,9,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (13,0,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (13,1,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (13,2,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (13,3,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (13,4,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (13,5,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (13,6,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (13,7,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (13,8,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (13,9,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (14,0,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (14,1,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (14,2,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (14,3,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (14,4,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (14,5,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (14,6,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (14,7,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (14,8,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (14,9,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (15,0,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (15,1,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (15,2,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (15,3,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (15,4,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (15,5,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (15,6,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (15,7,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (15,8,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (15,9,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (16,0,0): 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+      (16,1,0): 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+      (16,2,0): 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+      (16,3,0): 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+      (16,4,0): 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+      (16,5,0): 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+      (16,6,0): 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+      (16,7,0): 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+      (16,8,0): 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+      (16,9,0): 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+      (17,0,0): 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+      (17,1,0): 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+      (17,2,0): 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+      (17,3,0): 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+      (17,4,0): 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+      (17,5,0): 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+      (17,6,0): 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+      (17,7,0): 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+      (17,8,0): 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+      (17,9,0): 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+      (18,0,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (18,1,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (18,2,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (18,3,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (18,4,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (18,5,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (18,6,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (18,7,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (18,8,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (18,9,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (19,0,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (19,1,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (19,2,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (19,3,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (19,4,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (19,5,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (19,6,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (19,7,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (19,8,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (19,9,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40
+      }
+   }
+}
+}
diff --git a/tools/testfiles/vds/vds-gap1.ddl b/tools/testfiles/vds/vds-gap1.ddl
new file mode 100644
index 0000000..cace781
--- /dev/null
+++ b/tools/testfiles/vds/vds-gap1.ddl
@@ -0,0 +1,58 @@
+HDF5 "vds-eiger.h5" {
+DATASET "/VDS-Eiger" {
+   DATATYPE  H5T_STD_I32LE
+   DATASPACE  SIMPLE { ( 5, 10, 10 ) / ( H5S_UNLIMITED, 10, 10 ) }
+   DATA {
+   (0,0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (0,1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (0,2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (0,3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (0,4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (0,5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (0,6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (0,7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (0,8,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (0,9,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (1,0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (1,1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (1,2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (1,3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (1,4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (1,5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (1,6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (1,7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (1,8,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (1,9,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (2,0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (2,1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (2,2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (2,3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (2,4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (2,5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (2,6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (2,7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (2,8,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (2,9,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (3,0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (3,1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (3,2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (3,3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (3,4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (3,5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (3,6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (3,7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (3,8,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (3,9,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (4,0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (4,1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (4,2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (4,3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (4,4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (4,5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (4,6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (4,7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (4,8,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+   (4,9,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+   }
+}
+}
diff --git a/tools/testfiles/vds/vds-gap2.ddl b/tools/testfiles/vds/vds-gap2.ddl
new file mode 100644
index 0000000..24da48f
--- /dev/null
+++ b/tools/testfiles/vds/vds-gap2.ddl
@@ -0,0 +1,210 @@
+HDF5 "vds-eiger.h5" {
+GROUP "/" {
+   DATASET "VDS-Eiger" {
+      DATATYPE  H5T_STD_I32LE
+      DATASPACE  SIMPLE { ( 20, 10, 10 ) / ( H5S_UNLIMITED, 10, 10 ) }
+      DATA {
+      (0,0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (0,1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (0,2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (0,3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (0,4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (0,5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (0,6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (0,7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (0,8,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (0,9,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,8,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,9,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,8,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,9,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,8,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,9,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,8,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,9,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (5,0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (5,1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (5,2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (5,3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (5,4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (5,5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (5,6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (5,7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (5,8,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (5,9,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (6,0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (6,1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (6,2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (6,3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (6,4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (6,5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (6,6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (6,7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (6,8,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (6,9,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (7,0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (7,1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (7,2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (7,3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (7,4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (7,5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (7,6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (7,7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (7,8,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (7,9,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (8,0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (8,1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (8,2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (8,3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (8,4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (8,5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (8,6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (8,7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (8,8,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (8,9,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (9,0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (9,1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (9,2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (9,3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (9,4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (9,5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (9,6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (9,7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (9,8,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (9,9,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (10,0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (10,1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (10,2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (10,3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (10,4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (10,5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (10,6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (10,7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (10,8,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (10,9,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (11,0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (11,1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (11,2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (11,3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (11,4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (11,5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (11,6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (11,7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (11,8,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (11,9,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (12,0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (12,1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (12,2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (12,3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (12,4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (12,5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (12,6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (12,7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (12,8,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (12,9,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (13,0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (13,1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (13,2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (13,3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (13,4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (13,5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (13,6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (13,7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (13,8,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (13,9,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (14,0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (14,1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (14,2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (14,3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (14,4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (14,5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (14,6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (14,7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (14,8,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (14,9,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (15,0,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (15,1,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (15,2,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (15,3,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (15,4,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (15,5,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (15,6,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (15,7,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (15,8,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (15,9,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (16,0,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (16,1,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (16,2,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (16,3,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (16,4,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (16,5,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (16,6,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (16,7,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (16,8,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (16,9,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (17,0,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (17,1,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (17,2,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (17,3,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (17,4,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (17,5,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (17,6,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (17,7,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (17,8,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (17,9,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (18,0,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (18,1,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (18,2,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (18,3,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (18,4,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (18,5,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (18,6,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (18,7,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (18,8,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (18,9,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (19,0,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (19,1,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (19,2,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (19,3,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (19,4,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (19,5,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (19,6,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (19,7,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (19,8,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (19,9,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3
+      }
+   }
+}
+}
diff --git a/tools/testfiles/vds/vds-percival-unlim-maxmin.h5 b/tools/testfiles/vds/vds-percival-unlim-maxmin.h5
new file mode 100644
index 0000000..b7f8827
--- /dev/null
+++ b/tools/testfiles/vds/vds-percival-unlim-maxmin.h5
diff --git a/tools/testfiles/vds/vds_layout-eiger.ddl b/tools/testfiles/vds/vds_layout-eiger.ddl
new file mode 100644
index 0000000..0ea4994
--- /dev/null
+++ b/tools/testfiles/vds/vds_layout-eiger.ddl
@@ -0,0 +1,87 @@
+HDF5 "vds-eiger.h5" {
+GROUP "/" {
+   DATASET "VDS-Eiger" {
+      DATATYPE  H5T_STD_I32LE
+      DATASPACE  SIMPLE { ( 5, 10, 10 ) / ( H5S_UNLIMITED, 10, 10 ) }
+      STORAGE_LAYOUT {
+         MAPPING 0 { 
+            VIRTUAL {
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (5,1,1)
+                  COUNT (H5S_UNLIMITED,1,1)
+                  BLOCK (5,10,10)
+               }
+            }
+            SOURCE {
+               FILE "f-%b.h5"
+               DATASET "A"
+               SELECTION ALL
+            }
+         }
+      }
+      FILTERS {
+         NONE
+      }
+      FILLVALUE {
+         FILL_TIME H5D_FILL_TIME_IFSET
+         VALUE  0
+      }
+      ALLOCATION_TIME {
+         H5D_ALLOC_TIME_LATE
+      }
+      DATA {
+      (0,0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (0,1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (0,2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (0,3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (0,4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (0,5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (0,6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (0,7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (0,8,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (0,9,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,8,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (1,9,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,8,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (2,9,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,8,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (3,9,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,8,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (4,9,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+      }
+   }
+}
+}
diff --git a/tools/testfiles/vds/vds_layout-maxmin.ddl b/tools/testfiles/vds/vds_layout-maxmin.ddl
new file mode 100644
index 0000000..0b5b583
--- /dev/null
+++ b/tools/testfiles/vds/vds_layout-maxmin.ddl
@@ -0,0 +1,422 @@
+HDF5 "vds-percival-unlim-maxmin.h5" {
+GROUP "/" {
+   DATASET "VDS-Percival-unlim-maxmin" {
+      DATATYPE  H5T_STD_I32LE
+      DATASPACE  SIMPLE { ( 32, 10, 10 ) / ( H5S_UNLIMITED, 10, 10 ) }
+      STORAGE_LAYOUT {
+         MAPPING 0 { 
+            VIRTUAL {
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (4,1,1)
+                  COUNT (H5S_UNLIMITED,1,1)
+                  BLOCK (1,10,10)
+               }
+            }
+            SOURCE {
+               FILE "a.h5"
+               DATASET "A"
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (1,1,1)
+                  COUNT (H5S_UNLIMITED,1,1)
+                  BLOCK (1,10,10)
+               }
+            }
+         }
+         MAPPING 1 { 
+            VIRTUAL {
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (1,0,0)
+                  STRIDE (4,1,1)
+                  COUNT (H5S_UNLIMITED,1,1)
+                  BLOCK (1,10,10)
+               }
+            }
+            SOURCE {
+               FILE "b.h5"
+               DATASET "B"
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (1,1,1)
+                  COUNT (H5S_UNLIMITED,1,1)
+                  BLOCK (1,10,10)
+               }
+            }
+         }
+         MAPPING 2 { 
+            VIRTUAL {
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (2,0,0)
+                  STRIDE (4,1,1)
+                  COUNT (H5S_UNLIMITED,1,1)
+                  BLOCK (1,10,10)
+               }
+            }
+            SOURCE {
+               FILE "c.h5"
+               DATASET "C"
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (1,1,1)
+                  COUNT (H5S_UNLIMITED,1,1)
+                  BLOCK (1,10,10)
+               }
+            }
+         }
+         MAPPING 3 { 
+            VIRTUAL {
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (3,0,0)
+                  STRIDE (4,1,1)
+                  COUNT (H5S_UNLIMITED,1,1)
+                  BLOCK (1,10,10)
+               }
+            }
+            SOURCE {
+               FILE "d.h5"
+               DATASET "D"
+               SELECTION REGULAR_HYPERSLAB { 
+                  START (0,0,0)
+                  STRIDE (1,1,1)
+                  COUNT (H5S_UNLIMITED,1,1)
+                  BLOCK (1,10,10)
+               }
+            }
+         }
+      }
+      FILTERS {
+         NONE
+      }
+      FILLVALUE {
+         FILL_TIME H5D_FILL_TIME_IFSET
+         VALUE  0
+      }
+      ALLOCATION_TIME {
+         H5D_ALLOC_TIME_LATE
+      }
+      DATA {
+      (0,0,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (0,1,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (0,2,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (0,3,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (0,4,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (0,5,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (0,6,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (0,7,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (0,8,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (0,9,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (1,0,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (1,1,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (1,2,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (1,3,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (1,4,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (1,5,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (1,6,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (1,7,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (1,8,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (1,9,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (2,0,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (2,1,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (2,2,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (2,3,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (2,4,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (2,5,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (2,6,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (2,7,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (2,8,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (2,9,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (3,0,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (3,1,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (3,2,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (3,3,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (3,4,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (3,5,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (3,6,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (3,7,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (3,8,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (3,9,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (4,0,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (4,1,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (4,2,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (4,3,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (4,4,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (4,5,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (4,6,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (4,7,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (4,8,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (4,9,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (5,0,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (5,1,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (5,2,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (5,3,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (5,4,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (5,5,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (5,6,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (5,7,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (5,8,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (5,9,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (6,0,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (6,1,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (6,2,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (6,3,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (6,4,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (6,5,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (6,6,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (6,7,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (6,8,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (6,9,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (7,0,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (7,1,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (7,2,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (7,3,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (7,4,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (7,5,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (7,6,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (7,7,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (7,8,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (7,9,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (8,0,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (8,1,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (8,2,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (8,3,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (8,4,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (8,5,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (8,6,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (8,7,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (8,8,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (8,9,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (9,0,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (9,1,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (9,2,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (9,3,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (9,4,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (9,5,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (9,6,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (9,7,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (9,8,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (9,9,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (10,0,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (10,1,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (10,2,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (10,3,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (10,4,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (10,5,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (10,6,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (10,7,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (10,8,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (10,9,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (11,0,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (11,1,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (11,2,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (11,3,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (11,4,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (11,5,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (11,6,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (11,7,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (11,8,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (11,9,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (12,0,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (12,1,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (12,2,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (12,3,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (12,4,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (12,5,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (12,6,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (12,7,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (12,8,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (12,9,0): 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+      (13,0,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (13,1,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (13,2,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (13,3,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (13,4,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (13,5,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (13,6,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (13,7,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (13,8,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (13,9,0): 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+      (14,0,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (14,1,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (14,2,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (14,3,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (14,4,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (14,5,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (14,6,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (14,7,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (14,8,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (14,9,0): 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+      (15,0,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (15,1,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (15,2,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (15,3,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (15,4,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (15,5,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (15,6,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (15,7,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (15,8,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (15,9,0): 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+      (16,0,0): 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+      (16,1,0): 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+      (16,2,0): 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+      (16,3,0): 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+      (16,4,0): 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+      (16,5,0): 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+      (16,6,0): 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+      (16,7,0): 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+      (16,8,0): 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+      (16,9,0): 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+      (17,0,0): 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+      (17,1,0): 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+      (17,2,0): 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+      (17,3,0): 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+      (17,4,0): 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+      (17,5,0): 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+      (17,6,0): 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+      (17,7,0): 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+      (17,8,0): 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+      (17,9,0): 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+      (18,0,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (18,1,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (18,2,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (18,3,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (18,4,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (18,5,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (18,6,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (18,7,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (18,8,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (18,9,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (19,0,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (19,1,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (19,2,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (19,3,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (19,4,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (19,5,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (19,6,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (19,7,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (19,8,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (19,9,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (20,0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (20,1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (20,2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (20,3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (20,4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (20,5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (20,6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (20,7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (20,8,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (20,9,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (21,0,0): 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+      (21,1,0): 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+      (21,2,0): 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+      (21,3,0): 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+      (21,4,0): 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+      (21,5,0): 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+      (21,6,0): 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+      (21,7,0): 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+      (21,8,0): 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+      (21,9,0): 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+      (22,0,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (22,1,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (22,2,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (22,3,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (22,4,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (22,5,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (22,6,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (22,7,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (22,8,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (22,9,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (23,0,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (23,1,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (23,2,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (23,3,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (23,4,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (23,5,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (23,6,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (23,7,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (23,8,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (23,9,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (24,0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (24,1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (24,2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (24,3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (24,4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (24,5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (24,6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (24,7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (24,8,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (24,9,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (25,0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (25,1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (25,2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (25,3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (25,4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (25,5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (25,6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (25,7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (25,8,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (25,9,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (26,0,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (26,1,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (26,2,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (26,3,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (26,4,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (26,5,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (26,6,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (26,7,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (26,8,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (26,9,0): 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+      (27,0,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (27,1,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (27,2,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (27,3,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (27,4,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (27,5,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (27,6,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (27,7,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (27,8,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (27,9,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (28,0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (28,1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (28,2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (28,3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (28,4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (28,5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (28,6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (28,7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (28,8,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (28,9,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (29,0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (29,1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (29,2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (29,3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (29,4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (29,5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (29,6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (29,7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (29,8,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (29,9,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (30,0,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (30,1,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (30,2,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (30,3,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (30,4,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (30,5,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (30,6,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (30,7,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (30,8,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (30,9,0): 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      (31,0,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (31,1,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (31,2,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (31,3,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (31,4,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (31,5,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (31,6,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (31,7,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (31,8,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
+      (31,9,0): 40, 40, 40, 40, 40, 40, 40, 40, 40, 40
+      }
+   }
+}
+}