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Title: Puzzle Corner
Issue Date: Oct-2011
Publisher: NISCAIR-CSIR, India
Abstract: There are 4 gray and blue chips in a 16-square board. Can you rearrange them in such a way that no two chips of the same colour will be in the same row horizontally, vertically, or diagonally?
Description: 50-51
ISSN: 0036-8512
Appears in Collections:SR Vol.48(10) [October 2011]

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