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

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

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

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

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