More than five years ago I wrote about playing sudoku to enhance my logic engine in my grey matter.Then after a few months,I lost my interest.A few weeks ago,I got this book as shown and it has a 100 puzzled.The puzzles were categorised into four levels:
1.Light and Easy
2.Moderate
3.Demanding
4.Beware,Very challenging!
Well,why sudden interest back to numbers?Since I am now not working full time and I am scared that my brain will deteriorate faster because of under utilisation,I plan to do one puzzle one day as a logic exercise so that my thinking ability could be maintained as its best level.
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