Create n x 2n "mirror" matrix of this type:

Examples

For n = 2

 m = [ 1 2 2 1
       1 2 2 1 ]

For n = 3

 m = [ 1 2 3 3 2 1
       1 2 3 3 2 1
       1 2 3 3 2 1 ]
Solve

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1427 Solutions

698 Solvers

Last Solution submitted on Jun 01, 2026

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Vedaant Raturi Kailyn Montez Ritaj Alhussain Anthony

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