Diamond Lattice Lace Pattern

How to work WRAP5
K2, p1, k2, transfer this 5 sts to a third needle, wrap the yarn 3 times around  all the sts, transfer them to the right needle again

Pattern
Cast on a multiple of 12 sts, plus 1.
Row 1 (RS): K4, *WRAP5, K7; rep from *, ending last rep with K4.
Row 2 (WS): K4, *P5, K7; rep from *, ending last rep with K4.
Row 3: P3, *K2tog, (K1, yarn over) twice, K1, SSK, P5; rep from *, ending last rep with P3.
Row 4: K3, *P7, K5; rep from *, ending last rep with K3.
Row 5: P2, *K2tog, K1, yarn over, K3, yarn over, K1, SSK, P3; rep from *, ending last rep with P2.
Row 6: K2, *P9, K3; rep from *, ending last rep with K2.
Row 7: P1, *K2tog, K1, yarn over, K2tog, yarn over, K1, yarn over, SSK, yarn over, K1, SSK, P1; rep from * to end.
Row 8: K1, *P11, K1; rep from * to end.
Row 9: P1, K9, *WRAP5, K7; rep from * to last 3 sts, K2, P1.
Row 10: P3, *K7, P5; rep from *, ending last rep with P3.
Row 11: K1, *yarn over, K1, SSK, P5, K2tog, K1, yarn over, K1; rep from * to end.
Row 12: P4, *K5, P7; rep from *, ending last rep with P4.
Row 13: K2, *yarn over, K1, SSK, P3, K2tog, K1, yarn over, K3; rep from *, ending last rep with K2.
Row 14: P5, *K3, P9; rep from *, ending last rep with P5.
Row 15: K1, *yarn over, SSK, yarn over, K1, SSK, P1, K2tog, K1, yarn over, K2tog, yarn over, K1; rep from * to end.
Row 16: P6, *K1, P11; rep from *, ending last rep with P6.
Rep Rows 1-16.