Often or not, you hear 4D player said that the winning number is just 1 point less or 1 point more thant the previous 1st prize number.

It is easy to say then to find out which of the numbers is better. There are 8 sets of companion numbers that can be generated from the key number. This method is always popular amongst the old fork but they might not know the actual number of companion sets available. With Win4D Advance, this companion numbers can be found with just a few click away. That's the power of Win4D Advance.

I have made a simple video on the steps needed to derive this companion number with the key number. Follow the steps closely and you should be able to understand the concept better.

Click this link below to see the video