Buffalo plaid knit hat

This will be the second time using a chart and I am confused :woman_shrugging:. Pattern states follow color chart by repeating sets 1 through 20 5 times per round for the next 30 rounds. There are 6 squares the way I see it is 1 through 20 is only the first 2 squares? Any help will be GREATLY appreciated. Thanks.
Buffalo plaid hat knitting pattern by Leelee knits. U have to pay for it on ravelry but she has a free version on google.

Each of the six blocks is made up of 10 smaller squares representing the sts. Begin the chart in the lower right and work right to left on round 1. The color changes from grey to a red/grey check for the second set of 10sts. When you get to the end of the first row of the chart, start again at stitch 1 and repeat the 20sts of the chart for a total of 5 times. That should be the end of the first round. Then start round 2, right to left if you are knitting in the round.