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