# Checker for A17 # Standard relations chor 1 3 chor 2 15 mu 1 2 3 chor 3 17 # Compute word t whose order is in the taming set of the 3-cycles mu 1 1 4 pwr 6 2 5 mu 4 5 6 mu 6 3 7 chor 7 39 # Power up to a 3-cycle t^(o/3) pwr 13 7 8 # Compute word u to conjugate by mu 3 5 9 # Check whether x is a 3-cycle cj 8 9 10 mu 1 10 11 chor 11 2