It really is tricky at first, but as soon as it clicks it all makes sense.
It shouldn’t matter which order you put the parents in.
No matter how many genes are added there will always be a chance of a single gene animal being produced.
Beautiful animal by the way 
That is the perfect example of a “Micky mouse” headstamp
Trust me man just keep looking into the shit and itl make sense Eventually, it took me a solid month of research before I could wrap my head around all the recessive, co dominate, super forms of genes And breeding odds. Itl click eventually if you keep at it. Now it seems fairly simple, but looking back it was such a pain at first haha