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