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