Row 1: K1, *K2tog, YO1*, repeat*-* until the last two stitches, K2tog, K1
Row 2: K1, Purl until last stitch, K1
Row 3: K1, *K2tog, YO1*, repeat*-* until the last three stitches, K1, K2tog, K1
Row 4: K1, Purl until last stitch, K1
Row 5: K1, *YO1, K2tog*, repeat*-* until the last two stitches, K2tog, K1
Row 6: K1, Purl until last stitch, K1