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