(0 17 15)(1 18 3)(2 12 9 7 4)(5 20 13 8 6)(10 16 14)(11 21 19)
ALLOWS (11/8)-SEQUENCE
1: (0 2 7)
(0 4 2 17 15)(1 18 3)(5 20 13 8 6)(7 12 9)(10 16 14)(11 21 19)
2: (1 18 3)
(0 4 2 17 15)(1)(3)(5 20 13 8 6)(7 12 9)(10 16 14)(11 21 19)(18)
3: (5 20 13)
(0 4 2 17 15)(1)(3)(5 8 6)(7 12 9)(10 16 14)(11 21 19)(13)(18)(20)
4: (2 17 4)
(0 4 15)(1)(2)(3)(5 8 6)(7 12 9)(10 16 14)(11 21 19)(13)(17)(18)(20)