The chart pattern repeats every 14 sts so if using a thinner yarn cast on 56 st instead of 42.

rnd 5 did have a mistake, should read Rnd 5 should be - (p3,k2,p3)k(k2tg,yo)x2 k3 (p3,k2,p3)x2 k (k2tg,yo)x2 k3 (p3,k2,p3)

This pattern would be great for someone who wants to try knitting socks.