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

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

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

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

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