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