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Extraregions Sudoku - puzzlephil

Extraregions Sudoku

Rules

Fill the grid so that every row, every column, every 3x3 box and every additional coloured region contains the digits from 1 to 9 exactly once.

Sample puzzles

EASY

Extraregions Sudoku #1 - easy
Extraregions Sudoku #2 - easy

MEDIUM

Extraregions Sudoku #3 - medium
Extraregions Sudoku #4 - medium

HARD

Extraregions Sudoku #5 - hard
Extraregions Sudoku #6 - hard

EVIL

Extraregions Sudoku #7 - evil
Extraregions Sudoku #8- evil

See also other special Sudoku types.

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Timer

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