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

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

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

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

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