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Below are three 3 x 3 grids. In each of the puzzles, place the digits 1 through 9
-- using each exactly once -- into the 3 x 3 grid according to the rules.
PUZZLE #1
- Every number in the first row is spelled with three letters.
- Every number in the second row is spelled with four letters.
- Every number in the first column uses the letter "N" in its spelling.
- Every number in the second column uses the letter "I" in its spelling.
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PUZZLE #2
- Every digit is smaller than the digit immediately to its
right and smaller than the digit immediately below it.
- The sum of the three digits in the second row is 15.
- The sum of the three digits in the second column is 17.
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PUZZLE #3
- The three digits in the first row add up to 10.
- The three digits in the second row add up to 13.
- The three digits in the first column add up to 21.
- The three digits in the second column add up to 16.
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You must solve all three puzzles to be on the Problem Solvers List.
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