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Unformatted text preview: an odd number squares to be filled with dominoes at right angles to the lonesome straddler, a clear impossibility. So straddlers must come in pairs. This means that there are at most 6 2 /4 = 9 lines which can be straddled. But there are 10 lines that must be straddled! The same argument for a larger size checkerboard fails, which leads one to believe that any larger checkerboard can have all its lines straddled. This is, in fact, the case! Ill leave it to you to find a general configuration....
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This note was uploaded on 03/01/2010 for the course MATH 301 taught by Professor Albertodelgado during the Spring '10 term at Bradley.
 Spring '10
 AlbertoDelgado
 Combinatorics

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