Recent content by Thijsbeer

I've been trying to solve this puzzle for days now but I can't find the sollution. I hope someone can give me some pointers. Situation: Railyard (I) with 4 tracks. Railyard (O) with 4 tracks. maintrack in between. 4 trains (A,B,C,D) with cargo. 1 yard train(Z). Train A,B,C or D drops the cargo...