From the day when the Instruction booklet of World Sudoku Championship 2014, is released, I am posting one Sudoku daily on this blog targeting the Sudoku types appearing in this year's WSC 2014. This Quad Max Difference Sudoku type is new to me and I created this so that my friends participating in WSC 2014 can use it as practice.

This Quad Max Difference Sudoku is my 50th contribution to the Daily Sudoku League. Can you solve this hard Sudoku puzzle?

**Rules of Quad Max Difference Sudoku**
Classic Sudoku Rules apply. Additionally, the clues marked at the intersection of a 2×2 block of cells indicate the maximum difference between numbers placed in these blocks. This difference must be realized.

Previous Daily Sudoku League Puzzle: Max Triplet Sudoku

Next Daily Sudoku League Puzzle: Consecutive Sequence Sudoku

The solution of Odd/Even Count Sudoku (Fun With Sudoku #6)

Odd/Even Count Sudoku (Fun With Sudoku #6) Solution |

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