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

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

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

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

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