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