Most-perfect magic square

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2 13 8 11
16 3 10 5
9 6 15 4
transcription of
the indian numerals

A most-perfect magic square of order n is a magic square containing the numbers 1 to n2 with two additional properties:

  1. Each 2 × 2 subsquare sums to 2s, where s = n2 + 1.
  2. All pairs of integers distant n/2 along a (major) diagonal sum to s.

There are 384 such combinations.

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