Fill up the squares with numbers from 1 to 9 according to the following rules:

There can't be duplicate numbers in the same row or column.

Fill up the squares with numbers from 1 to 9 according to the following rules:

There can't be duplicate numbers in the same row or column.

A pink diamond indicates that the numbers surrounding it are equal two by two

A blue diamond means that two numbers are equal and the other 2 are not.

An empty diamond means the four numbers are different.