<string>:11: DeprecationWarning: CartesianProduct is deprecated. Use cartesian_product instead
See http://trac.sagemath.org/18411 for details.
((start, A1aPos1, 'MDsD1'), (A1aPos1, A1bPos7, 'BRCT'), (A1bPos7, end, 'HH'))
((start, A1aPos1, 'MDsD1'), (A1aPos1, A1bPos7, 'BRCT'), (A1bPos7, end, 'RsLs'))
((start, A1aPos1, 'MDsD1'), (A1aPos1, A1bPos3, 'HH'), (A1bPos3, end, 'BRCT'))
((start, A1aPos3, 'HH'), (A1aPos3, A1bPos5, 'BRCT'), (A1bPos5, end, 'MDsD1'))
((start, A1aPos3, 'HH'), (A1aPos3, A1bPos3, 'MDsD1'), (A1bPos3, end, 'BRCT'))
((start, A1aPos7, 'BRCT'), (A1aPos7, A1bPos5, 'HH'), (A1bPos5, end, 'MDsD1'))
((start, A1aPos7, 'BRCT'), (A1aPos7, A1bPos5, 'RsLs'), (A1bPos5, end, 'MDsD1'))
((start, A1aPos7, 'BRCT'), (A1aPos7, A1bPos7, 'MDsD1'), (A1bPos7, end, 'HH'))
((start, A1aPos7, 'BRCT'), (A1aPos7, A1bPos7, 'MDsD1'), (A1bPos7, end, 'RsLs'))