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