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

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

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

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

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