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

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

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

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

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