Logic Masters Deutschland e.V.

This is a variant of killer sudoku.
Regular Sudoku rules apply:
Each row, column, and 3×3 box contain numbers 1~9.
Killer Sudoku rules apply:
Digits cannot repeat within a cage.
Put all the killer cages on the left into the Sudoku board on the right, and follow the rules below:
1.Killer cages cannot rotate or flip.
2.Killer cages cannot exceed the boundary of the sudoku board.
3.Killer cages cannot overlap with each other. Here is the example puzzle (6×6 version):

Try examle puzzle.

Main Puzzle:

CTC link. Enjoy the puzzle :D