Step 21: Press the wings down flat and your paper should now look like this
Step 22: Turn the paper over
Step 23: Fold the inner wings upwards creating the green crease lines
Step 24: Your paper should now look like this
Step 25: Fold the new wings back down and raise them outwards and open up their inners
Step 26: Press the wings down flat and your paper should now look like this
Step 27: Lift the left side of the paper up and over to the right side
Step 28: Fold the left and right sides in, creasing where indicated in green
Step 29: Press down and you paper should now look like this
Step 30: Lift the inner right hand wing up and over to the left side