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The Sudoku puzzle of the week is a level 5 sudoku puzzle. It's a heavy challenge for Advanced Sudoku players. Go to the "Sudoku puzzle" section to solve this puzzle immediately! Sudoku beginners can also go to the "Puzzle section" to solve easier puzzles. Ganbade!

A sudoku puzzle comprises 9 rows, 9 columns and 9 blocks. Each of them must contain all numbers from 1 to 9. More explanation can be found at the "rules section".