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

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

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

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

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