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