Slip Stitch Knitting 03: Horizontal Chain

PATTERN
Cast on a multiple of 10 stitches, plus 3.
Row 1 (RS): Color A, K4, *sl1 wyib, k3, sl1 wyib, k5, repeat from * to last 9 sts, sl1 wyib, k3, sl1 wyib, k4.
Rows 2, 4, 6, 8, and 12: With same color used on previous row, knit the purl stitches and slip the slipped stitches wyif as they face you.
Row 3: Color B, K3, *sl1 wyib, k5, sl1 wyib, k3, repeat from *.
Row 5: Color A, K1, *sl2 wyib, k7, sl1 wyib, repeat from * to last 2 sts, sl1 wyib, k1.
Row 7: Color B, K3, *sl1 wyib, k5, sl1 wyib, k3, repeat from *.
Row 9: Color A, K4, *sl1 wyib, k3, sl1 wyib, k5, repeat from * to last 9 sts, sl1 wyib, k3, sl1 wyib, k4.
Row 11: Color B, K5, *sl3 wyib, k7, repeat from * to last 8 sts, sl3 wyib, k5.
Repeat rows 1-12.