What Is the Proper Way to Open a Small, Sterilely

What is the proper way to open a small, sterilely wrapped item for delivery to the sterile field?

A) First flap is pulled and opened away from self and tucked into palm, side flaps are pulled and tucked into palm, and last flap is pulled toward self and secured before tossing item onto field.
B) First flap is pulled and opened toward self, the side flaps are pulled open, and the last flap is pulled and opened away from self; then item is tossed onto field.
C) Right flap is pulled and tucked into palm, left flap is pulled and tucked, top flap is pulled and opened toward self, and the bottom flap is opened away from self and secured before tossing onto field.
D) Left flap is pulled and tucked into palm, right flap is pulled and tucked, top flap is pulled and opened away from self and tucked, and bottom flap is pulled toward self and secured before tossing item onto field.