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

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

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

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

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