Those code marks must match the marks on the matching gear. Degree the cam and see where it sits.
You should be able to lay them out on a flat surface with a straightedge and figure out what is what. lay them out with the chain. Pencil inside the sprocket shaft holes. Line them up with a straightedge on one set of timing marks and make a reference mark on the large sprocket. Mark that sprocket mark also on our background, cardboard or paper. Then set up another set of marks, and reference your cam sprocket mark on the paper again, and note which set of timing marks, square, triangle, etc. You should be able to see which markes put the cam where on your background paper
When you line up the marks, use a straightedge to get the marks centered on the shafts centers
