this is an old but fun logic puzzle.
the setup: draw a 3x3 grid
using the numbers 1-9 input the numbers into each position in the grid.
each row, column, and diagonal must total 15 when added.
this is a video tutorial so look for the pause and either navigate away or try and solve yourself.
thanks for watching
special thanks to user happycabbie for the microphone tip..it seemed to work wonders!
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