Normal sudoku rules apply. Identical digits cannot be a knight's move apart. X joins two cells that sum to 10, V joins two cells that sum to 5. Not all X's and V's may be given. The marked diagonal sums to the given number.
Normal sudoku rules apply. Identical digits cannot be a knight's move apart. X joins two cells that sum to 10, V joins two cells that sum to 5. Not all X's and V's may be given. The marked diagonal sums to the given number.