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9 cards are there. u have to arrange them in a 3*3 matrix.
cards are of 4 colors.they are red,yellow,blue,green.
conditions for arrangement: one red card must be in first row
or second row.2 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.
Yellow Red Green
Blue Blue Green
Yellow Green Yellow
POST YOUR OPINION IF YOU HAVE BETTER SOLUTION