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

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

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

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

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