There are 2 MODES prepared.
The difficulty level changes if you switch the MODE.
It will be judged a “blow” only when the same number is at the adjacent position.
Even if the same number is found anywhere else,
it is not judged as a “blow”.
If the same number is found at the different position, It is judged as a “blow” .
Tap the number,you can add a mark on the number.
The mark is useful to find out correct numbers.
Drag & Drop the numbers into the four boxes.