OK, I will do that, create a correlation table and stare at it 
Jaime
Jaime
Disliked{quote} Sorry for late reply, but I did not read back much! The simple question is, what do we need to generate an algorithm? Numbers, lots of numbers! Hence first create a correlation table with the 28 commonly used pairs and then try to develop an algo. That's it! Correlation can become an eye opener if once you understood how exactly it works. You will find out only by watching it! nasapIgnored