caaabbacabbbabcccbacaaacaaccacbcaaabcccabaaaabcaacaabcaccbbbbacccaababcaacababbaaaacccbbaaaacaaabcbccabbcbcbbcaacbabccbcabcabccbaaaccaabbccabaaccbaaabacbcabcccccbaabbcccbbbababbacaaccabacbcacbabcacbbaaaabbabcbbcccacabcbabbcbbbbcbcbccbbcaaaacabcaacbcacbbbbabcacbbcaabacaccabbababcacbabcaaaaccaabbacabcbcbbaaabbacbaccccaababbbcbbccabababcaabbbacccabcccbbcbcccaaccaaaacabaacbcccbbaccbcaaacccbccacacccacabacacbcaaccabbccaccbaabbccacacbabaababcbcaabcbcaababbacaaacbcabbacabaccbaccabbaacacbbccaccbaacaaccacccabcaacacbaacabbccabbcbcacaccbbcaccbaccbcaababaacacaacaababaccbcabacababcbbcbccbbaaaaacc