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