2008-05-28

Light rain, windy.

Still at XV Sudoku.
My solver worked ok on my first attempt, but boy is it dumb.
It evaluates wheather a number has been used in the north-south and east-west direction or in the mini-block where the cell resides, of each individual cell.
It displays those numbers not used in thoes areas.
Some times it shows only one number not used so that is the answer.
My last tweek was to cut off surounding mini-cells if the cell had a number in it, to lessen the confusion.

Excell has a limit of three conditional formats, so furthur tweeking will be a challange.

Problem at work, I suggested a soloution, which they used. Cool. For my future reference, insert blocked by pipe, chemically set rod in panel weld to column flange.

I keep feeling like there are secrets to sudoku solving I have not noticed. I have searched but most people are looking for money no to help out and old guy.

I stagger on.