1-2-2-1 pattern

Minesweeper 1-2-2-1 Pattern



There is a mine at 2-2 when there is 1-2-2-1 in a line.

1-2-2-1 Application

Minesweeper 1-2-2-1 Application

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I will tell you the 1-2-2-1 pattern of minesweeper game. It is similar to the 1-2-1 pattern I posted before. This pattern is also frequently used, so learning it can be a great help for recording.In the figure below, there are numbers 1-2-2-1 in a line. In this case, there are 2 mines in number 2. If there is at least one mine in number 1, 2 numbers cannot be made in a row. If you don't understand, the best thing to do is mark mines one by one and count the number of cases.Now let's do the application. Focus on the number 1-2-2-2 in the figure below. This can be easily solved with the formula 1-2-2-1. The bottom two in 1-2-2-2 is actually one. Because I found a mine at the bottom.1-2-2-1 (2-1 = 1) This is the formula for 1-2-2-1 described above. When you make a calculation, you don't just look at the numbers you see. If you subtract the number of mines you've found, that's the actual number of mines left.If you don't understand it yet, please review the basic 1-2-1 pattern.