Going to look for unique caterpillars on 4 taxa for Pi6. First, generating all possible 24 permutations of 4 taxa... Found 24 permutations. Starting search for uniquely defined caterpillars. THE FOLLOWING TWO CATERPILLARS ARE UNIQUELY DEFINED ! Code =0 - 10 0123 1302 -- Pi 6 Triplets -- -- Format (a,b,c) which means: a < min{b,c} OR b < c < a 0 1 2 0 1 3 0 2 1 0 2 3 0 3 1 0 3 2 1 0 2 1 0 3 1 2 0 1 2 3 1 3 0 1 3 2 2 0 1 2 1 0 2 1 3 2 3 0 3 0 1 3 0 2 3 1 2 3 2 0 -------------- 0,1,2, 0,1,3, 0,2,1, 0,2,3, 0,3,1, 0,3,2, 1,0,2, 1,0,3, 1,2,0, 1,2,3, 1,3,0, 1,3,2, 2,0,1, 2,1,0, 2,1,3, 2,3,0, 3,0,1, 3,0,2, 3,1,2, 3,2,0, int: numtrips = 20 THE FOLLOWING TWO CATERPILLARS ARE UNIQUELY DEFINED ! Code =0 - 13 0123 2031 -- Pi 6 Triplets -- -- Format (a,b,c) which means: a < min{b,c} OR b < c < a 0 1 2 0 1 3 0 2 1 0 2 3 0 3 1 0 3 2 1 0 3 1 2 0 1 2 3 1 3 2 2 0 1 2 0 3 2 1 0 2 1 3 2 3 0 2 3 1 3 0 1 3 0 2 3 1 2 3 2 0 -------------- 0,1,2, 0,1,3, 0,2,1, 0,2,3, 0,3,1, 0,3,2, 1,0,3, 1,2,0, 1,2,3, 1,3,2, 2,0,1, 2,0,3, 2,1,0, 2,1,3, 2,3,0, 2,3,1, 3,0,1, 3,0,2, 3,1,2, 3,2,0, int: numtrips = 20 THE FOLLOWING TWO CATERPILLARS ARE UNIQUELY DEFINED ! Code =0 - 14 0123 2103 -- Pi 6 Triplets -- -- Format (a,b,c) which means: a < min{b,c} OR b < c < a 0 1 2 0 1 3 0 2 1 0 2 3 0 3 1 0 3 2 1 0 3 1 2 3 1 3 0 1 3 2 2 0 1 2 0 3 2 1 0 2 1 3 2 3 0 2 3 1 3 0 1 3 0 2 3 1 0 3 1 2 3 2 0 3 2 1 -------------- 0,1,2, 0,1,3, 0,2,1, 0,2,3, 0,3,1, 0,3,2, 1,0,3, 1,2,3, 1,3,0, 1,3,2, 2,0,1, 2,0,3, 2,1,0, 2,1,3, 2,3,0, 2,3,1, 3,0,1, 3,0,2, 3,1,0, 3,1,2, 3,2,0, 3,2,1, int: numtrips = 22 THE FOLLOWING TWO CATERPILLARS ARE UNIQUELY DEFINED ! Code =0 - 16 0123 2301 -- Pi 6 Triplets -- -- Format (a,b,c) which means: a < min{b,c} OR b < c < a 0 1 2 0 1 3 0 2 1 0 2 3 0 3 1 0 3 2 1 2 0 1 2 3 1 3 0 1 3 2 2 0 1 2 0 3 2 1 0 2 1 3 2 3 0 2 3 1 3 0 1 3 0 2 3 1 0 3 1 2 -------------- 0,1,2, 0,1,3, 0,2,1, 0,2,3, 0,3,1, 0,3,2, 1,2,0, 1,2,3, 1,3,0, 1,3,2, 2,0,1, 2,0,3, 2,1,0, 2,1,3, 2,3,0, 2,3,1, 3,0,1, 3,0,2, 3,1,0, 3,1,2, int: numtrips = 20