Offset Cobble Stitch
This is a very easy pattern made up of Single Crochets
And Triple Crochets.
It may look like there are clusters done but there isn’t. When you do 1 Single Crochet, 1 Triple Crochet, 1 Single Crochet your bringing down the height of the Triple Crochet which causes it to bulge out on the opposite side of your work. That’s the dimension you can see if the second photograph.