What do you think of this?
Anyway this is what you do:
Using chunky yarn of your choice, cast 97 stitches onto 5.5mm needles, and work 6 rows of k1, p1 rib in main colour.
Then work 2-colour pattern as follows, where a = main colour and b = contrast
Pattern row 1: k2a, k1b, *k3a, k1b, rpt from* to last 2 sts, k2a
Pattern row 2: k1a, * p3b, p1a, rpt to last 4 sts, p3b, k1a
Repeat these two rows until 28 have been worked. Break off colour b.
Work 5 rows of k1, p1 rib in main colour.
Cast off loosely in rib.
With right sides together sew side seam using a simple overstitch.
Sew in ends.