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