MacOS / Ubuntu / Bootcamp windows seemed to spoil my bootloader

I have a macbook with important facts about it. I also had ubuntu installed on a partition on the hard drive.

Everything worked fine.

Then I proceeded to Bootcamp a Windows partition today, since I wanted to try some of my software.

I followed the instructions, I had a usb, it rebooted and then, once I finished and restarted my macbook, all my partitions were completely in bad shape. Keep booting a black screen or a MacOS Internet recovery screen.

I have no idea what to do and I am terrified of losing my data. Any additional information you can provide.

Here are some images of what the disk utility shows.

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