Draw a x-by-x matrix '五' using 1s and 0s.
Example:
x=5
ans=
[1 1 1 1 1
0 1 0 0 0
1 1 1 1 0
0 1 0 1 0
1 1 1 1 1]
x=7
ans=
[1 1 1 1 1 1 1
0 1 0 0 0 0 0
0 1 0 0 0 0 0
1 1 1 1 1 1 0
0 1 0 0 0 1 0
0 1 0 0 0 1 0
1 1 1 1 1 1 1]
Solve

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Last Solution submitted on Feb 24, 2026

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Pauli Huusari Riccardo G. CXD Lorenzo

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