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