Ok that didn't take as long as I thought it would!
Cast on 33stitches
1&2: Knit across
3: k2, p29, k2
4: and all remaining even numbered rows; knit across
5: k2, p4, k6, p19, k2
7: k2, p3, k9, p17, k2
9: k2, p3, k10, p16, k2
11: k2, p3, k10, p16, k2
13: k2, p3, k10, p4, k6, p6, k2
15: k2, p4, k9, p3, k9, p4, k2
17: k2, p6, k3, p1, k3, p3, k10, p2, k2
19: k2, p10, k3, p3, k10, p3, k2
21: k2, p10, k3, p3, k10, p3, k2
23: k2, p10, k3, p4, k9, p3, k2
25: k2, p10, k3, p6, k3, p1, k3, p3, k2
27, 29, 31, 33, 35, 37: k2, p10, k3, p10, k3, p3, k2
39: k2, p10, k5, p8, k3, p3, k2
41: k2, p10, k7, p6, k3, p3, k2
43: k2, p13, k6, p4, k3, p3, k2
45: k2, p15, k6, p2, k3, p3, k2
47: k2, p18, k8, p3, k2
49: k2, p21, k5, p3, k2
51: k2, p23, k3, p3, k2
53: k2, p29, k2
54 & 55 knit across
Bind off
The pattern bit between the border stitches should add up to 29 each time. I think they all do. My adding up gets better the more coffee I have! I've only had one today!