aaaaaaaacacaaaaabcabcaaaacbcaaabaaaabaabcaaabbcaaaabcbbcccaaacccaaabaabaaabaaabbbaaabbaaaccaabbacaabcaacaabbaacaacaacaacacaacaccbaacbaccaabaacbbaaaacbcbabababaabaaacbaababaababaabaccbabaabbbabaacbcabaabababbcbaabababccaababcaababccabacbabacbaabaccaaacabbabbacbbcaabbaccabbbaaaabbbaabccabbbbbbbabbbcbbabbcabacaabbccabcaabcabbbbcbabcaccabcbaabcbaaaaaabcbabcbbcabcbacbacabcbbcbabccabccaacbcabccbcaabccbccacacaacaabcbaaacaaccacaaccbacaacabcccabcacacacacbcbcbacbaacbbaacbbbacbbbcacbccaccaccacaccbbaacaccccaaabbbabaaabaabaabbcbcbbaabbccbbbabbabbcccababcabbababcabcacbabcacbbabccabacaabbacabbbacbaabacbaabbbabacbaacbabacbaacbcbbacbabbaccacbbbbabbaabbaaacacbbaaccbbababcbbabccbcbbacaacbbbacabbbacabbabbbbbbabbbaabacacbbbbbabbbbbcabbcbbbcabbbcaabbbcccbbbcccbccbbbcbbcaabbcabbbcabcccabbccaabbbccabbabbbccccabccbcbcaaaabbabcaabaaabcabbaaabbcabbbacbbcbbcbbbbcbbcbbcbccacbabccbccabccaabccabbccacccbaabccbbccbbaabbcccbccccccccacaacaabcaabbccaacccacabcabbbbbbbcabcbbcacabccbaacaccacabccacacaccacbcacbacaccaababcacccbcbacbcbacbaaacaaaccbaabaccbaaccacbacacbaccbacbbabcbbabacbbacccbbcbbbcbbbacbbbbcbbbccbbcacbbcaabaacbbcbccbccbcababaabcbcbbcbcbbbacbccaaabcbccaacccbccbccccaccaababacaccaaccccccabbacccabbbcbccabcbabccccacbaabbaccbccbaabcbaaccbabbcccccbbaccaccbbccbccbcabccccbccabccbcccccccccacccabcccbacbccccbcbcc