4.3BSD/usr/contrib/icon/libtest/distr/seqimage.out

{1, 2, 3, 4, 5, ...}
{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
{"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k"}