Quadruple Sudoku Puzzles (Fun With Sudoku #337, #338)

Quadruple Sudoku puzzle is not a very famous Sudoku Variation but this Sudoku type keeps on appearing in some Sudoku Competitions.  The 5th Round of Sudoku Grand Prix 2018 is going on the coming weekend. Quadruple Sudoku puzzle is one of the Sudoku types which is appearing in this Sudoku Championship. So I am publishing these Quadruple Sudoku puzzles in the Fun With Sudoku Series as 337th and 338th Sudoku Puzzles in this Series.

Rules of Quadruple Sudoku Puzzle

Apply Standard Classic Sudoku rules. Additionally, each set of four small numbers in the intersection of two lines indicates the numbers that are in the four adjacent cells.

Quadruple Sudoku Puzzle (Fun With Sudoku #337)

Answers to these Quadruple Sudoku Sudoku puzzles can be viewed by clicking on the buttons below. Please try your best to solve this Sudoku puzzle before looking at the answer.

Quadruple Sudoku Puzzle (Fun With Sudoku #337) Answer

Quadruple Sudoku Puzzle (Fun With Sudoku #338)

Quadruple Sudoku Puzzle (Fun With Sudoku #338) Answer

These two Quadruple Sudoku Sudoku Puzzles I am publishing as #337th and #338th Sudoku puzzles in the Fun With Sudoku Series. Here are the next are previous Sudoku puzzles published in this series.

The previous Sudoku Puzzle is the Touchy Sudoku Puzzle (Fun With Sudoku #336)

Next Sudoku Puzzle is Renban Sudoku Puzzles (Fun With Sudoku #339, #340)