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