Cast on a number of stitches multiple of 10 + 1.
Row 1: K1, *yo, K3, DD, K3, yo, K1*; repeat * * until the end of the row.
Row 2: purl.
Row 3: K1, *K1, yo, K2, DD, K2, yo, K1, P1*; repeat * * until the end of the row.
Row 4: K1, *P9, K1*; repeat * * until the end of the row.
Row 5: K1, *K2, yo, K1, DD, K1, yo, K2, P1*; repeat * * until the end of the row.
Row 6: K1, *P9, K1*; repeat * * until the end of the row.
Row 7: K1, *K3, yo, DD, yo, K3, P1*; repeat * * until the end of the row.
Row 8: purl.
NOTE: in this swatch we purled 4 rows between each sequence of the 8 rows above.
K: knit
P: purl
Yo: yarn over
DD: double decrease