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Groupsum Sudoku - puzzlephil

Groupsum Sudoku

Rules

Fill the grid so that every column, every row and every 3x3 box contains the digits 1 to 9. The numbers in the small circles indicate the sums of the four sourrounding cells.

Sample puzzles

EASY

Groupsum Sudoku #1 - easy
Groupsum Sudoku #2 - easy

MEDIUM

Groupsum Sudoku #3 - medium
Groupsum Sudoku #4 - medium

HARD

Groupsum Sudoku #5 - hard
Groupsum Sudoku #6 - hard

EVIL

Groupsum Sudoku #7 - evil
Groupsum Sudoku #8- evil

Variants — Special Groupsum Sudokus

These Groupsum Sudokus have irregular and/or additional coloured regions.

Extraregions

Extraregions

Irregular

Irregular

Diagonal

Diagonal

Colour

Colour
Titel

Timer

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