Logic Masters Deutschland e.V.

Normal Sudoku rules apply.
There are totally 5 magic squares, magic squares do not overlap each other.
Each magic squares contain one red cell(That means, some red cells are not contained in magic squares).
Box 5 is a magic square.
Cells containing a grey square contain an even digit
Clues outside the grid give the sum of the cells "sandwiched" between the 1 and the 9 in the row/column.
Digits in cages, which include no repeats, add up to the sum given.

Solve online: f-puzzles