Backhoe Crochet Afghan Graph Pattern. All done in single crochet, changing colors as you go along. Drop one color, pull in the next. Medium ability. Size works up to be approx. 40 x 60". Graph is 72 stitches wide by 112 stitches high. Then you crochet 22 rows (or more) around the outside edge including a border. Complete instructions are included, a full size graph, and a Helpful Hints page.