Programming Praxis

A latin square of order n is a square matrix with n rows and n columns, with each entry in the matrix containing an integer from 0 to n − 1, arranged so that no row or column contains duplicate integers. Here is a sample latin square of order 10:

8 3 7 1 5 6 4 2 0 9
4 5 6 2 0 9 3 7 8 1
9 2 3 8 7 5 1 4 6 0
2 6 0 3 9 8 7 5 1 4
0 4 2 9 3 7 8 1 5 6
6 1 4 0 2 3 9 8 7 5
1 7 5 4 6 0 2 3 9 8
3 0 9 7 8 1 5 6 4 2
5 8 1 6 4 2 0 9 3 7
7 9 8 5 1 4 6 0 2 3

Your task is to write a program that generates latin squares of order n. When you are finished, you are welcome to read or run a suggested solution, or to post your own solution or discuss the exercise in the comments below.

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