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How to solve Sudoku

Initial Sudoku Example

Rules of Sudoku

Easy Solving Methods

Naked Single Start

Naked Single / Single Candidate Method

Hidden single start

Hidden Single / Single Position Method

Medium Solving Methods

Filled Pencilmark

Using pencilmarks

Pointing line A - start

Pointing Line Variants

Naked pair - start

Hard Solving Methods

Naked Triple - full

Hidden Pair - start

Hidden Triple - start

X-Wing