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