/                        Group
/comp1                   Dataset {3, 6}
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        (2,5)  "abcdefgh12345678abcdefgh12345678",
        (2,5)  "abcdefgh12345678abcdefgh12345678",
        (2,5)  "abcdefgh12345678abcdefgh12345678",
        (2,5)  "abcdefgh12345678abcdefgh12345678"]}
/string1                 Dataset {3, 4}
    Data:
        (0,0) "s1", "s2", "s3", "s4", "s5", "s6", "s7", "s8", "s9", "s0", "s1",
        (2,3) "s2"
/string2                 Dataset {20}
    Data:
        (0) "ab cd ef1  ", "ab cd ef2  ", "ab cd ef3  ", "ab cd ef4  ",
        (4) "ab cd ef5  ", "ab cd ef6  ", "ab cd ef7  ", "ab cd ef8  ",
        (8) "ab cd ef9  ", "ab cd ef0  ", "ab cd ef1  ", "ab cd ef2  ",
        (12) "ab cd ef3  ", "ab cd ef4  ", "ab cd ef5  ", "ab cd ef6  ",
        (16) "ab cd ef7  ", "ab cd ef8  ", "ab cd ef9  ", "ab cd ef0  "
/string3                 Dataset {27}
    Data:
        (0) "abcd0\000\000\000", "abcd1\000\000\000", "abcd2\000\000\000",
        (3) "abcd3\000\000\000", "abcd4\000\000\000", "abcd5\000\000\000",
        (6) "abcd6\000\000\000", "abcd7\000\000\000", "abcd8\000\000\000",
        (9) "abcd9\000\000\000", "abcd0\000\000\000", "abcd1\000\000\000",
        (12) "abcd2\000\000\000", "abcd3\000\000\000", "abcd4\000\000\000",
        (15) "abcd5\000\000\000", "abcd6\000\000\000", "abcd7\000\000\000",
        (18) "abcd8\000\000\000", "abcd9\000\000\000", "abcd0\000\000\000",
        (21) "abcd1\000\000\000", "abcd2\000\000\000", "abcd3\000\000\000",
        (24) "abcd4\000\000\000", "abcd5\000\000\000", "abcd6\000\000\000"
/string4                 Dataset {3}
    Data:
        (0) "s1234567890123456789" ' ' repeats 147 times,
        (1) "s1234567890123456789" ' ' repeats 147 times,
        (2) "s1234567890123456789" ' ' repeats 147 times