Shown with a cast-on count of 4 stitches.  

• Row 1 (RS): *P1, (k1, yo, k1) in next st, repeat from * (multiple of 4 sts).
• Row 2: *P3, k1, repeat from *.
• Row 3: *P1, k3, repeat from *.
• Row 4: *P3tog, k1, repeat from * (multiple of 2 sts).
• Row 5: *(K1, yo, k1) in next st, p1, repeat from * (multiple of 4 sts).
• Row 6: *K1, p3, repeat from *.
• Row 7: *K3, p1, repeat from *.
• Row 8: *K1, p3tog, repeat from * (multiple of 2 sts).