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Arrange the nine cards into 3*3 matrix?

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There are 9 cards and you are asked to arrange them in a 3*3 matrix. Cards are of 4 colors - red, yellow, blue, green.

Conditions for arrangement: one red card must be in first row or second row. Two green cards should be in 3rd column. Yellow cards must be in the 3 corners only. Two blue cards must be in the 2nd row. Atleast one green card in each row.

posted May 20, 2014 by anonymous

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