In each puzzle, place the digits 1-9 into a 3x3 grid according to the clues.
-1. 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
-2. These nine digits form a magic square - that is, the three digits in every row, column, and diagonal add up to 15
Consider the three digits in the top row as a three-digit number. The top row is the smallest three-digit number possible in a magic square
-3. 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 12
-4. Each digit in the first row is half of the digit immediately to its left
Each digit in the second row is one-third of the digit immediately to its left
The digits in the third row are in consecutive ascending order
-5. The sum of the three digits in the first row is 20% greater than the sum of the three digits in the second row. The sum of the three digits in the first row is greater than the sum of the three digits in the third row
The sum of the three digits in the second column is 25% greater than the sum of the three digits in the first column. The sum of the three digits in the second column is greater than the sum of the three digits in the third column
The number 7 appears in the lower left corner
-6. 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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