Row 1 (RS): P1, k2tog twisted, yo, (k1, yo, k1) in next st, yo, k2tog tbl, *p3, k2tog twisted, yo, (k1, yo, k1) in next st, yo, k2tog tbl, repeat from * to last st, p1 (multiple of 10 sts, plus 9).
Row 2: K1, p1 tbl, k1, sl3 wyif, k1, p1 tbl, *k3, p1 tbl, k1, sl3 wyif, k1, p1 tbl, repeat from * to last st, k1.