The tally of three-in-a-row “red” is wrong in the puzzle: http://eterna.cmu.edu/puzzle/Challeng…
The sequence; AGCUAGUAGAUGUGGUGUAUUAAUGUGUAGAUUAGAGUUAGUUACAAAAAGGGUAGUAAAAAAGGUUGAAGUCUGACGCUACGAGCGCGAAAAGGUCAAAACUAUGCUAAGUCAGAUUAAAAGUAAAAACAGAUUUAAAAAAAAGGUUAUGUUAAUAUAUGGUUAGAUAAGGUAAAAAGAAGUUGAUUAGUGUAAGAGUGCGGAUGAACGAUUGAAAAAUUGAUUGAAAAUGAAAUGAUUGAUAUUGGAUAAUAUGUAUAAAUAUUAUGUUAAUAGGUA has only one triplet, yet it faults the constraint. Thanks.