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