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|Erich's Puzzle Palace; Erich Friedman|
|There are five 3 x 1 ships hidden in each puzzle grid, each ship with a different number from 1 to 5. The numbers at the sides of the grid give the sum of the numbers on all the ships in that row or column. Ten puzzles, with answers provided.|
|Levels:||Middle School (6-8), High School (9-12), College|
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