In the Jiayu Sudoku game, the player's goal is to fill in the numbers 1 to 9 in a 9x9 square, ensuring that each row, each column and each 3x3 small square contains the numbers 1 to 9, and the numbers are consistent. repeat.
Uniqueness principle: The numbers in each row, each column and each 3x3 small square must be unique and cannot be repeated.
Initial numbers: When the game starts, some grids have been filled with numbers. These numbers are the initial numbers. Players need to deduce the correct positions of other unfilled numbers based on these numbers.
Observe the initial numbers: Carefully observe the distribution of the initial numbers and develop a strategy based on what you know.
Logical reasoning: Use logical thinking to fill in the numbers, follow the principle of uniqueness, and gradually fill in the blank grids.
Trial and error and correction: If you encounter a difficult situation, you can try to fill in the numbers, and then observe whether there are contradictions. If there are contradictions, make corrections.
Completing the game: The game is completed when all the grids are correctly filled with numbers and comply with the game rules.