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