rational cases M<=14: 325 ; failures: 0 ; histogram (phase-space families, boundary regions): [((1, 1), 78), ((2, 1), 60), ((3, 2), 144), ((4, 2), 43)]
example alpha=4/6 lam=3/6: phase-space families (period,big,small,seg): [(7, 3, 4, 0), (7, 3, 4, 0), (12, 6, 4, 2)] ; boundary regions: 2
example alpha=3/6 lam=2/6: phase-space families (period,big,small,seg): [(5, 2, 3, 0), (5, 2, 3, 0), (6, 4, 0, 2)] ; boundary regions: 2
example alpha=10/15 lam=6/15: phase-space families (period,big,small,seg): [(13, 6, 5, 2), (13, 6, 5, 2), (21, 9, 10, 2), (21, 9, 10, 2)] ; boundary regions: 2
