Number of Distinct Characters: 4 String Length: 15 Maximum Number of Runs: 9 Number of Unique Strings: 16 (not including reversible twins) aabaabbaabaaccd [rev] aabaabbaabaacdd [rev] aabaabbaabbccdd [rev] aabaabbccbbccdd [rev] aabaabbccddccdd [rev] aababaababbccdd [rev] aababbababbccdd [rev] aabbaabbabbccdd [rev] aabbaabbcbbccdd [rev] aabbaabbccbbccd [rev] aabbaabbccbccdd [rev] aabbaabbccdccdd [rev] aabbabbccbbccdd [rev] aabbcbbccbbcbbd [rev] aabbcbbccbbccdd [rev] aabbcbcbbcbccdd [rev]