First, the sixth house minesweeper Sudoku
[i] Rules
1, each row and column and each house have 2 mines.
2, the number represents the number of mines in 8 directions around, and the number 0 represents no mines around.
[ii] Interpretation
1, 8 directions of the number.
8 directions: up, down, left, right, top left, bottom left, top right, bottom right.
2, the number represents the number of mines in the surrounding 8 directions.
The number 3 indicates that there are 3 mines in the adjacent eight cells.
3. For easy observation, the box method can be used.
A box that passes exactly eight squares.
[iii] Examples
1. Initial plate
2. Finalization
3. Observe according to the line
There are 2 mines in each row.
4. Observe by column
Each column has 2 mines.
5. Observe according to the palace
Each house has 2 mines.
[iv] Use the box method to observe numbers
The number 1 indicates that there is one mine in the adjacent eight cells.
The number 2 indicates that there are 2 mines in the eight adjacent cells.
The number 3 indicates that there are 3 mines in the adjacent eight cells.
The number 3 indicates that there are 3 mines in the adjacent eight cells.
Second, the nine palaces minesweeper Sudoku
[i] Rules
1. There are 3 mines in each row and column and in each house.
2, the number represents the number of mines in 8 directions around, and the number 0 represents no mines around.
[ii] Interpretation
1, 8 directions of the number
8 directions: up, down, left, right, top left, bottom left, top right, bottom right.
2, the number represents the number of mines in the surrounding 8 directions
The number 3 indicates that there are 3 mines in the adjacent eight cells.
3. For easy observation, the box method can be used
A box that passes exactly eight squares.
[iii] Examples
1. Initial plate
2. Finalization
3. Observe according to the line
There are 2 mines in each row.
4. Observe by column
Each column has 2 mines.
5. Observe according to the palace
Each house has 2 mines.
[iv] Use the box method to observe numbers
The number 1 indicates that there is one mine in the adjacent eight cells.
The number 2 indicates that there are 2 mines in the eight adjacent cells.
The number 3 indicates that there are 3 mines in the adjacent eight cells.