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

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

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

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

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