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