Cast on a multiple of 12 sts + 1. Try 49 sts.
Row 1 (RS) K2tog, K4, yo, K1, yo, K4, *sl 1, k2tog, psso, K4, yo, K1, yo, K4; rep from * to last 2 sts, sl 1, K1, psso.
Row 2 and every alt row Purl.
Row 3 K2tog, K3, (yo, K3) twice, *sl 1, k2tog, psso, K3, (yo, K3) twice; rep from * to last 2 sts, sl 1, K1, psso.
Row 5 K2tog, K2, yo, K5, yo, K2, *sl 1, k2tog, psso, K2, yo, K5, yo, K2; rep from * to last 2 sts, sl 1, K1, psso.
Row 7 K1, *yo, K4, sl 1, k2tog, psso, K4, yo, K1; rep from * to end.
Row 9 K2, yo, K3, sl 1, k2tog, psso, K3, *(yo,…