2004 honda accord ex V6 check engine light codes p0157 and po158 where is the oxygen sensor in my car?

P0157 says low circuit bank 2 sensor 2 while p0158 high voltage bank 2 sensor? Yes both are bank 2 sensor 2.
My engine runs 123
456
Front
One oxygen sensor is in front of cylinder 5 and the other is in behind cylinder 2 my car has 4 apparently. Bank 2 refers to the opposite of where cylinder 1 is at regardless of cylinder 2, correct? If so I found one 02 sensor so where is the other sensors or if one has a diagram has them even better there also 2 o2 sensors under my car on the exhaust pipes, dual exhaust?

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