correct panelled example images (#3068)
correct panelled example images (#3068)

* correct panelled example images

Signed-off-by: Richard Brown <66d7170877e640481a272c5c3a6420af352c7ce6@users.noreply.github.com>
Project-MONAI/MONAI,Project-MONAI/MONAI,Project-MONAI/MONAI,Project-MONAI/MONAI