Crochet Instructions for Shell Stitch Patterns

The quantity of sts is multiple 8 + 5.
Set-up Row: 1 sc in 9th ch from hook, *ch 5, skip next 3 ch, 1 sc in next ch, rep from * across, turn;
First Row Instructions
1st Row: Ch 3 (counts as first dc now and throughout), 2 dc in first sc (half shell), 1 sc in next ch-5 space, *ch 5, 1 sc in next ch-5 space, 5 dc in next sc (shell), 1 sc in next ch-5 space, rep from * across, ending with ch 5, 1 sc in last ch space, turn;
Second Row Instructions
2nd Row: Ch 3, 2 dc in first sc, 1 sc in next ch-5 space, *ch 5, 1 sc in center of dc of next shell, 5 dc in next sc, 1 sc in next ch-5 space, rep from * across to last ch-5 space, ch 5, 1 sc in top of turning ch, turn;
Third Row Instructions
3rd Row: Ch 6 (counts as 1 dc, ch 3), 1 sc in next ch-5 space, *5 dc in next sc **, 1 sc in center of dc of next shell, ch 5, 1 sc in next ch-5 space, rep from * across, ending last rep at **, 1 sc in top of turning ch, turn;
Fourth Row Instructions
4th Row: Ch 6 (counts as 1 dc, ch 3), 1 sc in center dc of next shell, *5 dc in next sc**, 1 sc in next ch-5 space, ch 5, 1 sc in center dc of next shell, rep from * across, ending last rep at **, 1 sc in 3rd ch of turning ch, turn;
Fifth Row Instructions
5th Row: Ch 3, 2 dc in first sc, 1 sc in center dc of next shell, *ch 5, 1 sc in next ch-5 space, 5 dc in next sc, 1 sc in center dc of next shell, rep from * across ending with ch 5, 1 sc in 3rd ch of beg ch-6, turn.
Repeat 2nd-5th rows.
What is the chain count?
Chain is multiple 8 + 5 sts
8+5=13, take this count and make it as long as you want!