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

Solution Stats

1425 Solutions

696 Solvers

Last Solution submitted on Apr 27, 2026

Last 200 Solutions

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Rajan Michon Caden Muchenski Vedaant Raturi Kailyn Montez

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