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