Sum in a sudoku with sum total of 15 and 45
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I have created a sudoku puzzle with the following restrictions: Each row and column sum to $45$ . Each row and column in the nine $3$ by $3$ sub-grids sum to $15$ . Is such a sudoku unique?
grid-deduction sudoku
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edited 2 hours ago
Hugh
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asked 3 hours ago
Aorica Ireson Aorica Ireson
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