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