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