Number of Distinct Characters: 4
String Length: 16
Maximum Number of Runs: 10
Number of Unique Strings: 7 (not including reversible twins)

aabaabbaabaabbcd [rev]
aabaabbaabaaccdd [rev]
aabbaabbccbbccdd [rev]
aabbaabbccddccdd [pal]
aabbabbaabbabbcd [rev]
aabbcbbccbbcbbdd [pal]
abbcbbccbbcbbccd [rev]