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

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

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

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

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