I love doing sudoku, particularly the tough ones. I love seeing the patterns of numbers emerge from nothing, and logic slowly dawning. Sudoku has simple rules; the numbers 1-9 in each of the 9 boxes, numbers 1-9, horizontally, vertically, and at times, diagonally. Every few months, tougher sudoku become possible as I learn new patterns of thought and analysis. I love the experience of being completely absorbed in the puzzle. I don’t emphasize my failure to resolve a particular puzzle....
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