Knowing that the crank and cam are aligned, and assuming that the advancer unit and cam right side hasn't been altered, the current position of your (gggGary's 1st pic) advancer unit tells me that the right piston is at the top (its TDC), and that the right half camshaft is at valve overlap. If you rotate the engine a full 360°, then the right cylinder will be at the top of its compression stroke, its 'firing' TDC.
Sometimes you have to set the cookbook down and take a step back to see the bigger picture.
Given that the right piston is at its TDC, the left piston still has 83° to go before it's at its own TDC.
Piston TDC is different from cam/timing TDC, known as 'firing' TDC, when the cam lobes for that cylinder are pointing down, the valves are closed, and ignition/combustion has started.