SDK-S04 • Sudoku Collection

📖 Step-by-Step Sudoku Solutions

Learn solving techniques with detailed visual guides

8 Difficulty Levels
3200 Total Puzzles
240,000 Solution Steps

Beginner

Very Easy
400 Puzzles
~40 Avg Steps
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Amateur

Easy
400 Puzzles
~50 Avg Steps
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Regular

Medium
400 Puzzles
~60 Avg Steps
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Professional

Hard
400 Puzzles
~70 Avg Steps
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Top Player

Very Hard
400 Puzzles
~80 Avg Steps
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Super Star

Expert
400 Puzzles
~90 Avg Steps
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Legend

Master
400 Puzzles
~100 Avg Steps
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All Levels

Mixed
400 Puzzles
~110 Avg Steps
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