The continuation of a series, the first of which is cache GC79AKM.
I came across a kind of time waster I hadn't seen before and thought it would be a good idea to share it.
Fill in all the cells in the matrix from 1 to 81 so they are in a continuous sequence moving only vertical or horizontal.
The coordinates are:
S 41° 3 g3.d4 c8 a5 E 173° 4 b9.d5 g7 a3
