CO 33 STS
Row 1 & 7: P1, K1, P1 *[K3, P1] x2, K1, P1*
Row 2 & 6: P1, K1 *P3, K1, P1, K1, P3, K1* P1
Row 3 & 5: K4 *[P1, K1] x2, P1, K5* last 9 STS: [P1, K1] x2, P1, K4
Row 4: P3 *[K1, P1] x3, K1, P3*
Row 8 & 10: P1, K1, P1 *K1, P5 [K1, P1] x2
Row 9: [P1, K1] x2 *P1, K3 [P1, K1] x3* last 9 STS: P1, K3 [P1, K1] x2, P1
Repeat rows 1-10, until desired length