aaaaaa aaabbaabaababaaabbaabbbaabaabbaaabbaabbbbbaabbaababaababbababbbbbbbbabbaabbabbbbbbbaabaabbbabbbaaabbabbbababaaaabbabaaabaababbbbbaaabaabbaabbbaaabaaaaaaabababaabbbaabbaabaabbaabbbbaababbaaaabbaaaaabaabaaaabbbabbaabbababbbaaaaaaaaabaaababbbabaabababbabbbaabbabaabbaabbbabaaabbbaababbaaaabaaaaababbbbababaaaaaaababababababbabbbaaabbbababaaabbaaaaaaaaabbaabbabbababbabbbabbaaabaaaababaabbabbbbbbaaaababaabbaaaabaaabbaabbaaabbaabaaaaababbbbbbabbabbabaaaabbbbbbbaaaaaaabbbabaaaababbaaabaaabbabbabaabbabbbaabbbbbaabbbbbbbabababbababababbbabaaaaaabaabaabaaaabbaaabaaaabbabababaabaaababbbbaababbaaabbbababaabaabbaabaaabbababbbabbbaabbabbbabbababaabababbbaabaababababbabbbabbabbababaabbabbabaaabbaababaaaaaabbabbbbbababababababbabaaabbbabbbaaaabbbaabbaaaabbbaaaababbbabaabbabbbaabaaabaaaabababbbaabaaabbbabbaaabbbbbbbabbabaaabbbbabaababbabaababbaabbaaaabaaabbbbaabbabbbabbbabbbaaaabbbbbabbaabaabbabbbbbabaabaaaaabbbaaabaabbbbaaaabbaaaabbbbabbbaabbbabaabaababbbaaabbabbaaabbabbbbaabbbbaaabbaaaababaabaaaabbbaaa