Because I don't see a manual for this game anywhere.
Most things we do, we have no way to prove if or how they work. It's all about belief.
That is how I play in those situations!, it is based on my experience which is the same as anyone else point of view!, you will have your opinion based on how you play, I have mine based on how I play!.
x 17 x 5 x 1
Double winners x 5 , Treble x 1 ...Perfect league wins 26/26 x 1 (L8).
Every comment I make on this forum is based on my own experiences and so should be taken as such!.