![]() Thus, the possible numbers for the top left cell are 2, 3, or 7. It can not contain a 4 because a 4 appears in the upperleft 3x3 subgrid. The top left square can not contain 4 or 9 because these numbers already appear in the same row. When you consider the puzzle above, the top left square can not contain 1, 5, 6 or 8 because these numbers already appear in the first column. Each row, column, and 3x3 subgrid must contain each of the digits from 1 through 9 without any digits repeating. ![]() Your goal is to fill in the remaining numbers. In the newspaper each day, they may fill in 20-30% of the 81 numbers in the grid. ![]() Wow! Talk about a time waster! I nearly became addicted to solving these puzzles. The Akron Beacon Journal just recently started publishing a daily Sudoku puzzle in our comic strip pages. We are a little slow here in the midwest. ![]()
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