Timing Stage 2 procedure?

I see where the marks are supposed to be. Is that where each has to be in each Stage Timing? Or when I put it in Stage 2 timing, it supposed to look like the pic. Or, after putting it in Stage 2 timing and removing the chain, the other side should look like that in Stage 1 timing. Because, the way my engine is, when putting it in Stage 2 timing. The IN and EX letters is not facing up. The other side is facing down, so if I rotate the engine and align the crank sprocket marks to Stage 1 time they should be facing up. Also, the Cam Sprockets has rectangular mark (arrow) and a circle mark on them. What's the difference?

I will go ahead and remove the chain on the right side and turn the other cam so that is they both is facing up. Then continue. Hopefully that will work as long as I can get it in Stage 1 timing.

So, I got the left side chain assembly on. But on the right, I noticed the camshaft is pretty loose. Just seeing if that's normal or not. I have attached a video of it. Let me know, thanks.

There is hair of play front to back no play side to side and the chain is not attached.

I finished replacing all the chains and I got the front cover on but I don't know if there is a torque sequence or not. I am using an online Chilton's Repair Manual but it doesn't mention torque specs on the installation procedures.

Hello, I know it's been a while but the car I am working on is not a rush job. The weather in Louisiana has a lot to do with it. Anyway, I was able to install the new timing chain assembly and after a few attempts the car started. I will start it up at least once a week. Initially the car would just crank but wouldn't start. After attempting a few more times it will eventually start. This happened the last four weeks in a row. Today I tried something different I turned the key without starting to build up fuel pressure and I would repeat that 2 or 3 more times and the car would start. I then connected my diagnostic tool and pulled up the fuel system and recorded it. I'm thinking it's a fuel issue. The pressure is reading 60 psi. And I noticed this engine has a direct fuel pump on the rear of the engine. Also, a fuel pump in the tank. If I'm not mistaken, this engine doesn't have a fuel pressure regulator, but it has a fuel pump flow control module. But it may not be a fuel issue. The only current code coming up is a P0300 misfire code. I did clear the codes at first before I started any repairs.
So now I need a little guidance on what to check or the actual issue. Thank you

Hello,

Before turning on the ignition, there was no pressure. Once I turned on the ignition, the pressure read 60.3 PSI. After shutting the engine off, the pressure held. But it dropped over night. It did hold for 20 minutes.

I've attached a video of the fuel system readings.