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

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

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

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

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