Chain multiple: 12 + 2

Two colors: color A and color B

Stitch Guide

Double triple crochet (dtr): YO 3 times, draw up a lp in specified st, (YO and draw through 2 lps on hook) 4 times: dtr made.

Double triple crochet cluster (dtrCL): Keeping last lp of each dtr on hook, dtr in next dc, sk next sc, dtr in next dc; YO and draw through all 3 lps on hook: dtrCL made.

Instructions

Work beg ch with color A. 

Row 1 (WS): With A, sc in 2nd ch from hook and in next ch; *ch 1, sk next ch, sc in next ch; rep from * across, sc in last ch; ch 1, turn. 

Row 2 (RS): Sc in first sc, ch 1, sk next sc, sc in next ch-1 sp; ch 1, sk next ch-1 sp, in next ch-1 sp work (tr, ch 1) 4 times; *sk next ch-1 sp, (sc in next ch-1 sp, ch 1) 3 times; sk next ch-1 sp, in next ch-1 sp work (tr, ch 1) 4 times; rep from * to last 2 ch-1 sps, sk next ch-1 sp, sc in last ch-1 sp, ch 1, sk next sc, sc in last sc; ch 1, turn.

Row 3: Sc in first sc; *dc in next sc, ch 1, dc in next tr, ch 1; in each of next 2 tr work (dc, ch 1) twice; dc in next tr, ch 1, dc in next sc, sc in next sc; rep from * across; at end of row change to color B, finish off color A; with color B, ch 4, turn. 

Row 4: Sk first sc, dtr in next dc, tr in next dc; ch 1, dc in next dc, ch 1, (sc in next dc, ch 1) twice; dc in next dc, ch 1, tr in next dc; sk next ch-1 sp; *dtrCL over next 3 sts; tr in next dc, ch 1, dc in next dc, ch 1; (sc in next dc, ch 1) twice, dc in next dc, ch 1, tr in next dc; rep from * to last 2 sts; keeping last lp of each dtr on hook, dtr in next dc and in last sc, YO and draw through all 3 lps on hook; ch 1, turn.

Row 5: Sc in first st and in next tr; (ch 1, sk next ch-1 sp, sc in next st) 5 times; *ch 1, sk next dtrCL, sc in next st; (ch 1, sk next ch-1 sp, sc in next st) 5 times; rep from * to last 2 sts, sk last dtr, sc in top ch of turning ch-4; change to color A, finish off color B; with color A, ch 1, turn.

Rep rows 2-5 for patt.