I must say that I learned how to do this from a youtuber, I have tried it many times on my own and got it wrong.
So there are two steps to attach or work your squares as you go.
There is one when you attach them on the side.
Also how to attach them in between two squares and I have joined two videos on how to make these easily.
Although this pattern looks complicated but trust me, it is easier and much faster than you would think and is also very versatile as you can choose different colors or just use one color and will still look beautiful.
How to work C2C:
Also, if you are wondering which yarn I used here are the ones😊 :