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Need help formatting chronological story | Desktop Vs Mobile

For my companies ‘Our Story’ page, I am trying to achieve a chronological story on desktop and mobile - 2013 blurb, 2014 blurb, 2015 blurb, 2016 blurb, etc.

Here are two examples of Desktop View

I am using a grid with dynamic columns. It works great for desktop but in the mobile view, the chronological order is broken. It shows up as - 2013, 2015, 2017 2019, 2014, 2016, 2018, 2020.

Here are 2 examples of mobile view

Basically, the left dynamic column appears first, and then the second dynamic column.
How can I fix this so it appears chronologically both on mobile & desktop?

Thanks in advance!

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