Q2. Multi-Latin squares (5 marks) A - of order 3 is a 3 3 square filled with the numbers 1 to such that each number appears 3 times in each row and in each column. Furthermore, each cell of the square contains numbers.
The following is an example of a 2- of order 3 (=2).
1,2
1,1
2,2
1,2
1,2
1,2
1,2
2,2
1,1
Complete the 3- of order 3 below (=3).
1,2,3
2,3,3
1,2,3
3,3,3
NB: there is only one completion