broken rib with twist

(multiple of 4 sts)
RT (right twist) K2tog but do not drop from LH needle,
knit first st again and drop both sts from LH needle.
Row 1 (RS) *K2, p2; rep from * to end.
Rows 2–8 K the knit sts and p the purl sts.
Row 9 *RT, p2; rep from * to end.
Rows 10–18 K the knit sts and p the purl sts.
Row 19 *P2, k2; rep from * to end.
Rows 20–26  K the knit sts and p the purl sts.
Row 27 *P2, RT; rep from * to end.
Rows 28–36 K the knit sts and p the purl sts.
Rep rows 1–36.