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