Simplest sudoku X38252


Statement
 

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Input The input will be always three lines. Each line containing three numbers from 1 to 9 separated by white spaces. The input will be always three lines. Each line containing three numbers from 1 to 9 separated by white spaces.

Output The output will print a single line when the square is valid:     This is a valid sudoku    

Otherwise the output will print a different single line followed by a variable number of lines containing the missing numbers (one number per line) ordered:     This is an invalid sudoku. Missing numbers are:    

Public test cases

  • Input

    1 2 3
4 5 6
7 8 9

    Output

    This is a valid sudoku

  • Input

    1 1 2
3 4 5
5 6 7

    Output

    This is an invalid sudoku. Missing numbers are:
8
9
    • Information
    Author
    HP CodeWars
    Language
    English
    Official solutions
    Python
    User solutions
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