aaabaababaababbabaababaababb aaabaababbababbabaababbababb aababbababbabaababbabaababaa aaabbabbaabbabbbabbaabbabbaa aaababbabaababbababbabaababb aaababaababbabaababaababbaba aaababaababbabaababaababbabb aaababbabaababaababbabaababb aaababbababbabaababbababbaba aaababbababbabaababbababbabb aabbabaababaababbabaababaaba aabbabaababaababbabaababaabb aabbabaababbababbabaababbaba aabbababbabaababbababbabaaba aabbababbabaababbababbabaabb ababaababbababbabaababbababb aabaabbabbaabbabbbabbaabbabb abbabbabaababaababbabaababaa abbabbababbabaababbababbabaa aababaababbabaababbababbabaa aababaababbabaababbabaababaa aababaababaababbabaababaabab aababaababbababbabaababbabab aababaababbababbabaababbabaa ababaababaababbabaababaababb aabaabbaabaabbabaabbaabaabba aabaabbaabaabbaabbaabaabbaab aabaabbaabaabbbaabbaabaabbaa aabaabbaabaabbaabbabaabbaabb aabaabbaabaabbaabbabbaabbabb aabbaabaabbaabbbaabaabbaabaa aabbabbaabbabbbbabbaabbabbaa abbaabaabbaabaaabaabbaabaabb abbaabbabbaabbabbbabbaabbabb aababbabaababbababbabaababaa abbabaababbabaababaababbabaa aabbaabbabaabbaabbabbaabbabb aabaabbaabaaabaabbaabaabbaab aabaabbaabaaabaabbaabaabbabb aabbaabbabbaabbaabbabbaabbaa abbaabbabbaabbaabbabbaabbabb aababaababbabaababaababbabaa aababbabaababaababbabaababaa aababbababbabaababbababbabaa abaababaababbabaababaababbab abaababaababbabaababaababbaa abaababbabaababaababbabaabab abaababbababbabaababbababbab abaababbababbabaababbababbaa ababaababbabaababaababbababb ababbabaababbababbabaababbab ababbabaababbababbabaababbaa ababbababbabaababbababbababb abbaabaabbaababbaabaabbaabaa abbabaababaababbabaababaabab abbabaababaababbabaababaabaa abbabaababbababbabaababbabaa abbababbabaababbababbabaabab abbababbabaababbababbabaabaa