Shown with a cast-on count of 46 stitches.  

• Round 1: [K1, p1] 5 times, k1, [sl2-k1-p2sso] twice, [k1, p1] 5 times, k1, [sl2-k1-p2sso] twice, *k1, p1, repeat from * (multiple of 2 sts, plus 26).
• Round 2: [K1, p1] 5 times, [sl2-k1-p2sso] twice, [p1, k1] 5 times, p1, [sl2-k1-p2sso] twice, *p1, k1, repeat from * to last st, p1 (multiple of 2 sts, plus 26).