Tiles run in this order grass TERR0001, grassy rock TERR0002, farm TERR0003, rock TERR0004, forrest TERR0005 and snow TERR0006 transitions for these run in this order grass TERR0101, grass TERR0201, TERR0301 the other tiles work in the same way just make sure that they have coinsiding tile numbers.