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

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

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

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

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