Lace 21

LACE 21
Multiple of 22 sts.
Row 1 (RS): Knit.
Row 2 and all WS rows: Purl.
Row 3: *P4, (k2tog, yo, k1) ×2, k2tog, yo, p10; rep from * to end.
Row 5: *K3, (k2tog, yo, k1) ×2, k2tog, yo, k11; rep from * to end.
Row 7: *P2, (k2tog, yo, k1) ×2, k2tog, yo, p12; rep from * to end.
Row 9: *(K1, k2tog, yo) ×3, k13; rep from * to end.
Row 11: *(K2tog, yo, k1) ×2, k2tog, yo, p14; rep from * to end.
Row 13: Knit.
Row 15: *P9, (k1, yo, ssk) ×3, p4; rep from * to end.
Row 17: *K11, (yo, ssk, k1) ×2, yo, ssk, k3; rep from * to end.
Row 19: *P11, (k1, yo, ssk) ×3, p2; rep from * to end.
Row 21: *K13, (yo, ssk, k1) ×3; rep from * to end.
Row 23: *P13, (k1, yo, ssk) ×3; rep from * to end.
1-24.

ABBREVIATIONS
St (sts): stitch (stitches).
K: knit.
P: purl.
Yo: yarn over.
K2tog: knit 2 sts together.
Ssk: slip 1st knitwise, slip 1st knitwise, knit together.

Lace 21 PDF file (Written instructions and chart)