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