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

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

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

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

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