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

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

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

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

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