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