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

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

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

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

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