This game is very simple puzzle.

From now on, you'll have a pitcher training.
You can throw balls to nine division positions.
At a time, you have to pitch three balls.
The catcher(computer) will catch only correct ball which has a number he plans ahead.
Each ball has different number.
ASAP, you must strike out.

For example,
if the catcher thinks - 3 8 5
and you pitch balls - 1 3 5
, the result will be - 1 strikes 1 balls.

1. 1 strike is caused by number 5. Same number, same order.
2. 1 ball is caused by number 3. Same number, but wrong order.
3. Number 1 is wrong.

Like this, you have to guess again and again, if you can't reach at correct answer.
This game is good for simple bet. With friends, you can have a competition by counting whole process, or by alternating.
Very simple, but very thoughtful and very interesting.

A whole process is here.
Correct -> 5 8 3
#1 : 1 2 3 => 1 strikes 0 balls
#2 : 1 6 7 => 0 strikes 0 balls
#3 : 9 2 4 => 0 strikes 0 balls
#4 : 8 5 3 => 1 strikes 2 balls
#5 : 5 8 3 => 3 strikes 0 balls