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

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

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

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

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