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

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

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

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

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