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