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

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

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

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

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