2006 prius firing order

Cylinder 1 is closest to the passenger fender and the cylinders are numbered in order, with 4 next to the inverter.

 

Like Patrick Wong said. Cylinders are always numbered in order (in all engines).

If the misfire problem didn’t stay the same while changing the coils recheck by just swapping coils as new (especially aftermarket) coils can have problems in them. If you have compression gauge and techstream software you can do compression measurement while changing plugs. If compression is good you’re (pretty much) only left with fuel injectors or wiring.

 

Don't understand your question.

From the front of the engine where there is a belt and a water pump it goes cylinder 1-2-3-4. Cylinder #1 is at the front of the engine.
The firing order is meaningless when your chasing misfires. Btw, a misfire that moves around is sometimes because of mechanical damage caused by lack of oil. If the car ever ran so low on oil it threw a check engine light you have most likely blown the bottom end usually the piston rod bearing goes first. Or if the engine has spent its life with chronically low oil levels especially if its a "dealer" maintained oil change's
car.

You can tell by putting the car in Inspection mode so the engine runs continuously and get under the front of the engine and listen for bad sounds like thumping and banging which is failed main bearings.

 

The loud bumping thumping noise was what I was referring to in the post right above yours. Apparently you didn't read it. There is no code thrown when mechanical damage is in the bottom end specifically the piston rod bearings. It creates alot of sub harmonic vibration that distort the pulses read from the the crank and cam sensor and expected power from that cylinder is not seen so it throws a misfire. That moves around.

You ran the car dry of oil and now the motor is toast. Oh I know its dealer maintained. But if you keep driving it piston #3 will try to escape out the side of the block. Its always #3 for some reason.