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