Given a x-by-x matrix filled with zeros (x is odd and > 3). Use 5s to draw a number 5 into it! Like this:
x = 5, y =
5 5 5 5 5
5 0 0 0 0
5 5 5 5 5
0 0 0 0 5
5 5 5 5 5
x = 7, y =
5 5 5 5 5 5 5
5 0 0 0 0 0 0
5 0 0 0 0 0 0
5 5 5 5 5 5 5
0 0 0 0 0 0 5
0 0 0 0 0 0 5
5 5 5 5 5 5 5
Solve

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Last Solution submitted on Jul 24, 2026

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