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

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

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

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

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