ABSTRACT
Latin square An n×n array of numbers such that each row and column of the array contains the same numbers and each number appears exactly once in every row and column. For example,
1 2 3 2 3 1 3 1 2
and 1 2 3 3 1 2 2 3 1
.
Latin square An n×n array of numbers such that each row and column of the array contains the same numbers and each number appears exactly once in every row and column. For example,
1 2 3 2 3 1 3 1 2
and 1 2 3 3 1 2 2 3 1
.