Generate a matrix that approximates a circular ring using distance-based thresholding , a visually rich mandala-inspired challenge.
e.g. N = 5;
0 1 1 1 0;
1 0 0 0 1;
1 0 0 0 1;
1 0 0 0 1;
0 1 1 1 0;
Solve

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Last Solution submitted on Mar 19, 2026

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Tim Pauli Huusari pign_an Lorenzo

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