Slip Stitch Knitting 07: Quilted Lattice

How to knit the K1 uls.
Take the right-hand needle under the slipped thread, then pick up the next st on the left-hand needle and knit this st and the slipped thread together.

PATTERN
Cast on a multiple of 6 sts, +3.
Row 1 (RS): K2, *sl 5 wyif, k1; repeat from * to last st, k1.
Rows 2, 4, 6 and 8: Purl.
Row 3: K4, *k1 uls, k5; repeat from * to last 5 sts, k1 uls, k4.
Row 5: K1, sl 3 wyif, *k1, sl 5 wyif; repeat from * to last 4 sts, k1, sl3 wyif, k1.
Row 7: K1, *k1 uls, k5; repeat from * to last 2 sts, k1 uls, k1.
Repeat rows 1-8.