|Posted: August 12, 2013, 3:58 pm - IP Logged|
Take the ist and third digits and multiply:6*9=54 and then add the middle digit (5)=59. Next, subtract from 99 =40. Then do the same with the first two digits and add the third one for the numbers on the right.
You can use the pairs or mix with the others: 59 or 559,409 ,369,309 or 909.
How about them cowboys!