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

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

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

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

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