Use B as Color 1 and A as Color 2.
With Color 1, ch 31.
Row 1 (RS): Dc in 4th ch from hook and in each ch across – 28 sts.
Row 2: Ch 1, turn. Sc in each st across.
Row 3: Ch 3 (counts as first dc here and throughout), turn. *FPDC around the post of next dc 2 rows below, dc in next sc; rep from * across.
Row 4: Rep Row 2.
Row 5: Ch 3, turn. Dc in next dc, *FPDC around post of next dc 2 rows below, dc in next sc; rep from * to end, dc in top of turning ch.
Rows 6-29: Continuing in Color Sequence, rep Rows 2-5. Do not turn at end of last row.
Row 30: Rep Row 2.
Ch 1, sc evenly across side, work (sc, ch 10, sc) in next corner, (sc evenly across next side, 3 sc in next corner) 3 times, join with sl st in first sc.
Make 4 more Mats in the following color combinations:
Mat #2 - Use C as Color 1 and A as Color 2.
Mat #3 - Use D as Color 1 and A as Color 2.
Mat #4 - Use E as Color 1 and A as Color 2.
Mat #5 - Use F as Color 1 and A as Color 2.
Weave in ends.