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