Something to Think About: Prof. Loh in beginning of explanation part 1
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Prof. Loh in beginning of explanation part 1: "These questions about reversing digits are quite common."
Prof. Loh in end of explanation part 3: "These reversal of digits problems are actually quite common."

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@divinedolphin Prof. Loh repeating himself is quite common.

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That's how you know he's saying something important, except almost everything he says is important.
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[Prof. Loh thinking to himself]: I'm blabbing...
[Everyone else]: Wow, that is so profound! - 
					
					
					
					
Prof. Loh: Let's draw a Mobius hamster wheel!
Everyone: Wow! How amazing! - 
					
					
					
					
nO oNE's EvAh DOnE dAT bEfoRE
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