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

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

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

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

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