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

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

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

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

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