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Word Square 8
Cash in on the fun with today's Logic Puzzle.
January 23, 2006
From the introduction, each row and each column of Word Square 8 contains the characters COIN and a blank cell in some order, so that no character or space can be repeated in a row or a column. By clue 1, C is the 4th letter in column 5, so C is in row 4 or row 5. If C were in row 4 of column 5, with the space then in row 5 of the column, by clue 6, the C in column 2 would be in row 5; while by clue 9, the I in row 5 would be in column 1. N would then be in column 3 of row 5 (clue 5), with O in column 4--impossible by clue 7, since the O in column 4 is 3rd down the column. Therefore, in clue 1, C is in column 5, row 5. By clue 6, then, the C in column 2 must be in row 4, with the column 2 space in row 5. By clue 9, the I in row 5 is in column 1; while by clue 5, the N in row 5 is in column 4. The O in row 5 is in column 3. The O in row 1 is the 4th letter across the row (3) and is in either column 4 or column 5; by clue 7, the O in row 1 must be in column 5. By clue 8, the N in row 3 is in column 3 or column 4; however, we already have N in column 4 in row 5, so the N in row 3 is in column 3. Since the N in row 1 isn't in column 1 (2), it must be in column 2. By clue 10, the O in row 4 isn't in column 1 and is thus in column 4. By clue 4, the I in row 2 is in column 4 or column 5. If the I in row 2 were in column 4, the space in row 2 would be in column 5. The N in column 5 would be in row 4 and the I in that column in row 3. The I in row 4 would be in column 3. However, there is now no way for I to fit in row 1. So, in clue 4, the I in row 2 is in column 5. Row 2's N is in column 1, with the N in row 4 in column 5. I in row 4 is in column 3, with the row 4 space in column 1. The column 2 I is in row 3, with the column 2 O in row 2. The I in row 1 is in column 4. The O in column 1 is in row 3 and the C in column 1 in row 1. The row 1 space is in column 3, with the column 3 C in row 2. The row 2 space is in column 4, with the column 4 C in row 3. Finally, the column 5 space is in row 3. In sum, Word Square 8 contains the word COIN as follows:



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C N  I O
N O C  I
O I N C  
 C I O N
I  O N C

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