Play Sudoku for a while. There are several reason that I enjoy playing. First, my major was pure Mathematics in University. Second, I had done some study on this topic in last year at University. (I will organize my study and present this another time.) Third, I never can resist those puzzles. Forth, it is good way to procrastinate.
Sudoku is one of the Magic Square. Magic Square is nxn square slots and fill in 1-n2 in each nxn slot. The sum of each row, column or diagonal must the same. Sudoku is variant of 9x9 magic square which only use 1-9. In addition, 1-9 only present once in row and column, as well as in each 3x3 square within the 9x9 square.
The end of April of this year, I found a more challenge game. It is called Super Sudoku or Kokonotsu. It has one more game rule - 1-9 only present once in diagonal as well. I found a web version of this game, www.kokonotsu.info. It takes a long time to solve. Try it when you have lots of time to spare.
I will say to the prisoners, ‘Come out in freedom,’
and to those in darkness, ‘Come into the light.’
They will be my sheep, grazing in green pastures
and on hills that were previously bare.
They will neither hunger nor thirst.
The searing sun will not reach them anymore.
For the LORD in his mercy will lead them;
he will lead them beside cool waters.
~ Isaiah 49:9-10 (NLT)
Wednesday, September 26, 2007
0129. Kokonotsu
Labels: Life Posted by daikitten (a.k.a CH) at 10:54 p.m.
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