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

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

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

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

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