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