First video: Remembering and locating a chain of 20 decimals of Pi, within the first 25,000 and reciting the next 100 decimal. Second video: Making a triple sudoku, number + color, blindfolded

First video: Remembering and locating a chain of 20 decimals of Pi, within the first 25,000 and reciting the next 100 decimal. Second video: Making a triple sudoku, number + color, blindfolded.

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