AAAAABCABAAABCABAAABCABAAAAAAAAAAAAAAAAAAAAAAAAAAABCA
Splitting indicator
BABCABAAABCABAAAAAAAAAAABCABABCABAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAABCABABCABAAAAAAABCABABCABABCABABCABAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAABCABABCABABCABABCABABCABAB
CABABCABABCABABCABABCABABCABAAABCABAAAAABCABABCABAAABC
ABABCABABCABABCABABCABABCABABCABAAAAAAABCABABCABABCABA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AABCABABCABABCABABCABABCABABCABAAABCABAAAAAAAAAAAAAAAA
AAAAAAAA