Understanding your O2 sensors and there locaion

First off a big thanks to both murphenur and nebuchadnezzar. The started this with notes and part number layouts. Some of them have been edited to be correct



                                     Back of car

       Passenger Side (ECU 1)    |           Driver's Side (ECU 2)
       O2 Bank 2     5                |             10     O2 Bank 4
       O2 Bank 2     4                |              9      O2 Bank 4
                                             |
       O2 Bank 1     3                |              8      O2 Bank 3
       O2 Bank 1     2                |              7      O2 Bank 3
       O2 Bank 1     1                |              6      O2 Bank 3

                                    Front of Car


MOTOR ONLY
B1 is Passenger Side;
B2 is Driver’s Side (LHD)

O2 SENSORs
Passenger side B1 and B2
Driver Side B3 and B4

S1 is Front; S2 is Rear.

FRONT SENSORS (precat):

07L906262K - oxygen sensor
S6; Front (B1 S1); Cyl.#1, 2, 3

07L906262H - oxygen sensor
S6; Front; (B2 S1) Cyl.#4,5

07L906262J - oxygen sensor
S6; Front; (B3 S1) Cyl.#6,7,8

07L906262G - oxygen sensor
S6; Front; (B4 S1) Cyl.#9,10

REAR Sensors (after cats)

1K0998262S - oxygen sensor
S6; Rear (B1 S2); Cyl.#1,2,3

07L906265G - oxygen sensor
S6; Rear; (B2 S2); Cyl.#4,5

07L906265H - oxygen sensor
S6; Rear; (B3 S2); Cyl.#6,7,8

07L906265J - oxygen sensor
S6; Rear; (B4 S2) Cyl.#9,10