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