Impreza RS O2 Sensor Location?

Can anyone show me a picture of where the O2 Sensors of a 2000 Impreza RS are located? I'm new to Subaru Imprezas, and my CEL light came on the other day with a code of P0136, O2 Sensor Circuit Low Voltage (Bank 1, Sensor 2) so I need to find it. Thanks

 

There are two of em one before and one after the cats. The cats are right under your tranny.

 

And the cat is right after ur headers if you still couldn't find it. It's ontop though so it's a lot of fun to get to

 

Thanks for the replies. Haven't had time to check for the sensors yet.

Forgot to mention what I think caused the light to come on, when I installed my JDM Kouki clear taillights the other day, few hours later was when the CEL light came on and gave me the code, coincidence?

However two days ago, I noticed one of the brake lights out, so I fixed that, and cleared the CEL light, and it hasn't come on since (300 miles from Savannah) , but we'll see what happens.

 

haha yea well still waiting, hopefully the CEL light wont come on, but I'm still gonna check my sensors.

Also it was awesome meeting you the other day on the street 2pt5RS, funny how we automatically knew who each other was.