Cast on 20 sts.
Row 1: Knit.
Row 2: Purl.
Row 3: P2, K4, P6, K4, P4.
Rows 4-6: work all sts as they appear.
Rows 7-8: as Rows 1-2.
Row 9: K4, P6, K4, P6.
Rows 10-12: work all sts as they appear.
Rows 13-14: as Rows 1-2.
Row 15: K2, P6, K4, P6, K2.
Rows 16-18: work all sts as they appear.
Rows 19-20: as Rows 1-2.
Row 21: P6, K4, P6, K4.
Rows 22-24: work all sts as they appear.
Rows 25-26: as Rows 1-2.
Row 27: P4, K4, P6, K4, P2.
Rows 28-30: work all sts as they appear.