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