What are the rules of Extra Region Sudoku?
Extra regions is a generic term for a sudoku puzzle that has more than the standard 27 regions of ordinary sudoku.
There are therefore many many different types of extra region sudoku; the rules are the same as normal sudoku but you need to apply them to every extra region added to the puzzle.
Most popular questions in puzzle category:
What strategy tips will help me solve Extra Region Sudoku puzzles?
Apply all the usual sudoku rules of course. But the main...
What other names is Extra Region Sudoku known as?
As there are many different types of extra region puzzle...
What are the rules of Extra Region Sudoku?
Extra regions is a generic term for a sudoku puzzle that...
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