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

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

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

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

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