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

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

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

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

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