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