This photo shows a closeup of the stitches used in crocheting the repeat pattern of round three of the Panels Afghan.
Following are the repeat pattern directions that are shown in the photo above:
ch 3, skip 3 dc (of shell), 3 sc in ch-1 sp, ch 3, skip 3 dc (of shell), dc in ea of next 3 dc
When comparing the photo to the written directions, follow the stitches on the photo from the right to the left (the same direction that you would use to crochet the round).

