
Cache is NOT at posted coordinates
Solve puzzle below to find final location
Place a digit from 1 to 9 into each of the empty cells so that
each digit appears exactly once in each row, column and 3x3
outlined box. Additionally, Numbers with arrows outside the
grid indicate the sum of the numbers in the corresponding direction.

NAB° CD.EFG
WHI° JK.LMN

You can validate your puzzle solution with certitude.