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

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

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

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

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