Pattern - start with chain .
1 row - 1sc - workin 3 ch,skip 3 chain and the 4 ch do it 1sc, repeat the process until the end of the series...
2 row - 3 chain *5 double crochet in each box* in all the series.
3 row - 1sx - *3 chain ,2x5 front post dc cluster, 3 chain - 1sc* repeat the process until the edn of the row.
By repeating the series 2-3 as many times as needed to complete our generation.