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

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

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

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

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