Insert Number description

Enjoy a fun figure puzzle.
This is a puzzle game where numbers 1 to 9 are placed in the horizontal, vertical, and 3x3 sections without overlapping.
There are 81 blocks in total, and they are divided into 9 zones.
Have a good time.


[How to play]


Click on the desired block in the center of the screen and click the number you want to put in the numbers below the screen.
Fixed block numbers can not be modified.
Click the pencil button to make a number note in the block.
When you click the pin shape button, the number is fixed and the number is inputted even if you touch the block.
If you click the eraser button, the number of the selected block will be erased.
There should be no more than 1 to 9 numbers on one horizontal line.
There should be no digits from 1 to 9 on one vertical line.
You must enter numbers 1 through 9 in a 3x3 block area.