There should be a pretty yellow and orange pattern and "PASS" in orange on white.
1234567890123456789
x
x x
x x x x x x x
1234567890123456789 xxxx xxxx xxxx
xxxx x
x x x x x x x
x
x x x x x x x x x xxxx
xxxx xxxx xxxx
x x x x x x x xxxxxxxxxxxxxxxxxxx x x x xxxx xxxx
The pattern in the blue rectangle above should look exactly like the reference rendering below:
1234567890123456789
x x x x x x x x x x
1234567890123456789 xxxx xxxx xxxx xxxx
x x x x x x x x
x x x x x x x x x x xxxx xxxx xxxx xxxx
x x x x x x x
xxxxxxxxxxxxxxxxxxx x x x xxxx xxxx