PDF chapter test TRY NOW
Rules to solve \(4 \times 4\) Sudoku:
- There are \(4\) rows and \(4\) columns.
- Each row should be placed with the digits \(1\), \(2\), \(3\) and \(4\) exactly once.
- Each column contains each digit of \(1–4\) exactly once.
- Each region(sub-grid) surrounded by thick lines and it can have digits \(1\), \(2\), \(3\), \(4\) once.
Example:
Let us learn how to solve sudoku with the help of following cases.
1. Understand to fill the two empty cells.
\(4\times4\) Sudoku:
2. Fill in correct picture with its answer.
3. \(4 \times 4\) number sudoku.
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