Normal sudoku rules apply. Cells a knight's move apart cannot contain the same digit. A purple line contains a non-repeating set of consecutive digits in any order. The sum of the digits in two orange circles is equal to the sum of the digits along the line joining them. The word Agadmator appears along the diagonal of the grid. Each instance of a given letter represents the same digit, and no two different letters represent the same digit. The M positioned on a corner is the difference between R6C6 and R7C7.