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