(0 21 2)(1 9 4)(3 23 6)(5 16 7)(8 13 10)(11 15 12)(14 19 17)(18 22 20)
ALLOWS (11/8)-SEQUENCE
1: (1 9 12)

(0 21 2)(1 11 15 12 4)(3 23 6)(5 16 7)(8 13 10)(9)(14 19 17)(18 22 20)
2: (8 13 10)

(0 21 2)(1 11 15 12 4)(3 23 6)(5 16 7)(8)(9)(10)(13)(14 19 17)(18 22 20)
3: (4 15 12)

(0 21 2)(1 11 15)(3 23 6)(4)(5 16 7)(8)(9)(10)(12)(13)(14 19 17)(18 22 20)
4: (3 23 6)

(0 21 2)(1 11 15)(3)(4)(5 16 7)(6)(8)(9)(10)(12)(13)(14 19 17)(18 22 20)(23)