Normal Sudoku rules apply.
Any 7 on the board can see (diagonally) at least one other 7. No seven is in a cage.
Cages sum to a multiple of 7, with no repeated digits.
The white dot indicates two cells whith a difference of one.
The main diagonals each have all the digits 1 to 9 in them.
Solve the puzzle online at F-Puzzles
Lösungscode: Enter the digits from Row 3 followed by digits from Column 4.