Where nearest 123 and 4 on a 1600cc vw engine?

On a 1600cc VW engine, the nearest cylinder numbers to 1, 2, 3, and 4 are arranged in a specific order. Cylinder 1 is located at the front of the engine (the fan side), followed by cylinder 2, which is next to it on the same side. Cylinder 3 is located at the rear, and cylinder 4 is next to it on the opposite side. Thus, the firing order is 1-4-3-2.