Ingrid’s birthday scarf

Ingrid’s Birthday Scarf
Yarn:
Jade Sapphire Mongolian Cashmere, 100% cashmere, 6 ply; 138m/150yds; 55g; 2 hanks
Needles: Size 5.5mm[US9]
Finished measurements: 120×23cm[47x9]”
Abbreviations
K2tog Knit 2 stitches together
Skp Slip1, knit1, pass the slip stitch over
Sk2p Slip one, knit 2 together, pass the slip stitch over.
Yo Take yarn between the needles to front of work
Cast on 41 sts. Knit 1 row.
Row 1(RS): K1, *(yo, skp) twice, k1, (k2tog, yo) twice, k1; repeat from * to end.
Row 2: Purl
Row 3: K2, *yo, skp, yo, sk2p, yo, k2tog, yo, k3; repeat from * to end, ending last repeat k2.
Row 4: Purl.
Repeat these 4 rows to desired length, ending Row 2 or 4.
Knit 1 row. Bind off.