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