(0 21 2)(1 10 8 5 3)(4 12 6)(7 19 9)(11 15 13)(14 17 16)(18 22 20)
ALLOWS (11/8)-SEQUENCE
1: (1 5 8)
(0 21 2)(1 5 10 8 3)(4 12 6)(7 19 9)(11 15 13)(14 17 16)(18 22 20)
2: (4 12 6)
(0 21 2)(1 5 10 8 3)(4)(6)(7 19 9)(11 15 13)(12)(14 17 16)(18 22 20)
3: (7 19 9)
(0 21 2)(1 5 10 8 3)(4)(6)(7)(9)(11 15 13)(12)(14 17 16)(18 22 20)(19)
4: (3 10 8)
(0 21 2)(1 5 10)(3)(4)(6)(7)(8)(9)(11 15 13)(12)(14 17 16)(18 22 20)(19)