4 2 AA ABAB ABCABC ABCDABCD ABCDEABCDE ABCDEFABCDEF
3 2 ABA AABBAA AAABBBAAA AAAABBBBAAAA AAAAABBBBBAAAAA
3 3 AAABBB BBBCCC CCCDDD DDDEEE EEEFFF FFFGGG
3 4 A BB CCC DDDD EEEEE FFFFFF GGGGGGG HHHHHHHH
4 2 YAAAAA AYAAAA AAYAAA AAAYAA AAAAYA AAAAAY
4 2 1AAAAA A2AAAA AA3AAA AAA4AA AAAA5A AAAAA6
4 2 AAAB BBBBC CCCCCD DDDDDDE EEEEEEEF FFFFFFFFG
4 2 HHHHHHE HHHHHEE HHHHEEE HHHEEEE HHEEEEE HEEEEEE
4 2 AAAAAABC AAAAABCC AAAABCCC AAABCCCC AABCCCCC ABCCCCCC
4 3 O123 P234 Q345 R456 S567 T678 U789
3 2 0048 0024 0012 0006 0003