Let's play a guessing game! The secret is a number with 5 digits. your guess: 01234 +-----------------------------+ |..... ..... ..... | |. . . . . . | |. 0 . . 1 . . 2 . 3 4 | |. . . . . . | |..... ..... ..... | +-----------------------------+ your guess: 56789 +-----------------------------+ | ***** | | * * | | 5 6 7 * 8 * 9 | | * * | | ***** | +-----------------------------+ your guess: 22001 +-----------------------------+ | ***** ..... .....| | * * . . . .| | 2 * 2 * . 0 . 0 . 1 .| | * * . . . .| | ***** ..... .....| +-----------------------------+ your guess: 12180 +-----------------------------+ |***** ***** ***** ***** *****| |* * * * * * * * * *| |* 1 * * 2 * * 1 * * 8 * * 0 *| |* * * * * * * * * *| |***** ***** ***** ***** *****| +-----------------------------+ CONGRATULATIONS! You solved the puzzle after making 4 guesses!