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