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