The Four (4) Digits

2 motifs 1 sum

8 1 1 3
the first column is a motif 2-5-8-2-5-8
the last column you take its number twice and you remove 3 so it is 9-9-6-6-3-3
the two central columns is the sum of the other two(2+9=11,5+9=14...) so 8+3=11

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