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

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

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

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

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