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