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