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Problem Solving Skill In one sentence, How do you solve sudoku ? You will obviously say that if I am new, I start with easy-on, then move to medium and difficult one and become an expert on this game. Now if I ask, what did learn from easy level? You will say, well, First I learned the rules of filling it, then learned the way to remember the numbers from 1 to 9, and then, I figured out the little connection between them to fill up fast and then I practice enough and feel confident and therefore moved to the next level. More challenging more fun. While you move to the Medium level, you discover, you need to think hard in order to find the connection and this difficulty even arises more and more while you jump to hard level. To make connections you have to think so much hard, you have to guess, and with enough practice, you become good at guessing the number quite close to the actual number. And the most important thing is, in this process, you never get bored, or afraid of t