ford Mustang 2001 GT, P0136 and P0141 replacing bank I sensor 2 O2 sensor, which side?

[MR M]

I got P0136 and P0141 codes, which are referring to Bank 1, Sensor 2 O2 sensor is bad. Which side is this O2 sensor Located? Passenger or driver side?

 

[Kenny]

Driver side sensor closest to the catalytic converter.