4                                                                                                     
3  AABABAAAABBBBBABABBAABBABABBABAAAABBABBBBAABBBABABBBAAABBBABABABBAABAABABABABABBBAAABAAABBBBABBBBAB
5                                                                                                     
2 AABABAAAABBBBBABABBAABBABABBABAAAABBABBBBAABBBABABBBAAABBBABABABBAABAABABABABABBBAAABAAABBBBABBBBAB 
1  AABABAAAABBBBBABABBAABBABABBABAAAABBABBBBAABBBABABBBAAABBBABABABBAABAABABABABABBBAAABAAABBBBABBBBAB
T AAABABAAAABBBBBABABBAABBABABBABAAAABBABBBBAABBBABABBBAAABBBABABABBAABAABABABABABBBAAABAAABBBBABBBBAB
3
2 1 2