Start: Multiples of 9.
Row 1: *K2, YO, SSK, K5* repeat to end.
Row 2: *Purl all stitches.*
Row 3: *K2TOG, YO, K1, YO, SSK, K4* repeat to end.
Row 4: *Purl all stitches.*
Row 5: *Knit all stitches.*
Row 6: *Purl all stitches.*
Row 7: *Knit all stitches.*
Row 8: *Purl all stitches.*
Row 9: *K6, YO, SSK, K1* repeat to end.
Row 10: *Purl all stitches.*
Row 11: *K4, K2TOG, YO, K1, YO, SSK* repeat to end.
Row 12: *Purl all stitches.*
Row 13-15: *Knit all stitches.*
Row 16: *Purl all stitches.*
Repeat these 16 rows.