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

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

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

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

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