Pardon me but this is carzy. The crank doesn't know compression stroke from exhaust stroke until the cam/valve train is connected. In other words , if the 2 dots are set in a staright line apart (12 and 12) dont take the chain off, just rotate the crank 1 full rev and see the dots go to straight line together
(6 and 12) . the only part that can be wrong is the distributer and thats easy enough to correct.
Those cams with several indexing holes can be confusing.
