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

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

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

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

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