Can someone help me with identifying the reverse light wire?

Hi, I have an opel corsa D 2011, I want to install a reversing camera, I was not able to identify the reverse lights and sadly I dont have a multimeter to check.

This is the right side wires.

https://preview.redd.it/c39m6omg570g1.jpg?width=1599&format=pjpg&auto=webp&s=868d14332db452b5a1056b78d0afd6bc252b12ea

https://preview.redd.it/z0e225hi570g1.jpg?width=899&format=pjpg&auto=webp&s=81961ee8b9cb60c333184bc385d7cc2d7d17f679