The nine-square grid competition solution method analyzes the nine-square grid one by one, also known as beginner Sudoku, which is a simplified version of the Sudoku game, which is very suitable for beginners to get started. The rules are very simple: in a 9x9 grid, place a chain of numbers 1-8. To find the corresponding topic on many Sudoku websites, just follow these steps...
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: Using known information to speculate on unknown numbers is an effective strategy. For example, if there is a common number A in two rows of a certain house, and there is also a A in the other house and the conflict zone, it is judged that there must be an A in the position of the other exclusion area of this house.BrowseZhucheng network hotspot
: Observation Palace, i.e. a 3x3 lattice. Candidates can be easily found by observing whether there is only one row in some houses. For example, if there are only numbers 3 and 6 in the middle of the house, if the other numbers in the other two rows of a house are already ready, and 6 is killed in the next row, then there must be 3 in this row.
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The nine-square grid competition solution method analyzes the nine-square grid one by one, also known as beginner Sudoku, which is a simplified version of the Sudoku game, which is very suitable for beginners to get started. The rules are very simple: in a 9x9 grid, place a chain of numbers 1-8. Find the corresponding question on many Sudoku game websites, just follow the steps below to easily answer it...579 ℃
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: Using known information to speculate on unknown numbers is an effective strategy. For example, if there is a common number A in two rows of a certain house, and there is also a A in the other house and the conflict zone, it is judged that there must be an A in the position of the other exclusion area of this house.
Step 2: Speculate
Step 3: Positioning
Step 3: Positioning
: Make good use of the residual elimination method. If only one ace is required in a house (e.g., a house with only one vacancy), the entire number of candidates can be listed and arranged with other houses to exclude the same number in order to further narrow down the possible range.