1A2B

1A2B also called "bulls and cows". It is an old-breaking paper and pencil game. How to play: When the game starts, it randomly generates 4 digit numbers from number 0 to number 9, all 4 digit are different. The 4 random numbers are what you need to figure out at end of the game, every game you have 8 times to guess. First you have to guess 4 numbers to start your supposition. After that theres a hint for you to amend the first supposition. There are eight chances for you to amend your suppositio...