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

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

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

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

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