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

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

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

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

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