Controls: Mouse
LMB - select numbers
RMB - note undesired number (may be needed for high-
complexity, not generally necessary)

RMB outside the field with numbers - deselect all
properties

Description:
Located on the playing field is a number. Given
formula is of the equation "A + B = number" (except
for the addition modes, " subtraction," "
multiplication" and " division"). A and B are unknown,
and they are located somewhere on the field in
neighboring cells. We need to find these two numbers.
Find the number and earn points, the amount depending
on how quickly the numbers were found.
One game at a time. With proper selection of the pairs
remaining time increases, but get it wrong and time
will be deducted.

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