(0 19 6)(1 18 3)(2 11 4)(5 14 12)(7 16 8)(9 20 10)(13 17 15)
ALLOWS (11/8)-SEQUENCE
1: (10 13 20)

(0 19 6)(1 18 3)(2 11 4)(5 14 12)(7 16 8)(9 20 17 15 13)(10)
2: (5 14 12)

(0 19 6)(1 18 3)(2 11 4)(5)(7 16 8)(9 20 17 15 13)(10)(12)(14)
3: (9 20 17)

(0 19 6)(1 18 3)(2 11 4)(5)(7 16 8)(9 15 13)(10)(12)(14)(17)(20)
4: (0 19 6)

(0)(1 18 3)(2 11 4)(5)(6)(7 16 8)(9 15 13)(10)(12)(14)(17)(19)(20)