Chain multiple: 14 + 7
Instructions
Row 1: Dc in 7th ch from hook, ch 1, sk 1 ch, dc in next ch; *ch 3, sk 3 chs, sc in next ch; ch 3, sk 3 chs, dc in next ch**; (ch 1, sk next ch, dc in next ch) 3 times; rep from * across, ending last rep at **; ch 1, sk next ch, dc in next ch; ch 1, sk next ch, dc in last ch; ch 4, (counts as a dc and ch-1 sp of following row throughout), turn.
Row 2: Dc in next dc, ch 1, dc in next dc; *ch 3, sc in next sc, ch 3; dc in next dc**, (ch 1, dc in next dc) 3 times; rep from * across, ending last rep at **; ch 1, dc in next dc, ch 1, dc in 4th ch of turning ch; ch 4, turn.
Row 3: Rep row 2.
Row 4: Dc in next dc, ch 1, dc in next dc; *ch 7, (dc in next dc, ch 1) 3 times, dc in next dc; rep from * across, ending last rep with ch 7, (dc in next dc, ch 1) twice, dc in 3rd ch of turning ch; ch 4, turn.
Row 5: Dc in next dc, ch 1, dc in next dc; *ch 3, sc in ch-7 sp, ch 3**, (dc in next dc, ch 1) 3 times, dc in next dc; rep from * across, ending last rep at **; (dc in next dc, ch 1) twice, dc in top of turning ch; ch 4, turn.
Rep rows 2-5 for patt. End last rep by working row 4.