aaababaababaabaabb [rev] aaabbabbababbababb [rev] aabaababaababbabba [rev] aabaababbababbabab [rev] aabaababbababbabba [rev] aababaababaabaabba [rev] aabbababbababbabba [rev] aabbabbababbababba [rev] ababbababbabaabaab [rev] Number of Distinct Characters: 2 String Length: 18 Maximum Number of Squares: 12 Number of Unique Strings: 9 (not including reversible twins)