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