| 229 / | HD | ENVELOPES, WRAPPERS, AND PAPERBOARD BOXES |
| 100 | DF | PAPERBOARD BOX {54} |
| 122.21 | DD | .~ Box includes two side walls which are not formed from the same piece of box material {3} |
| 122.23 | | .~.~ Each of two pieces of box material folded into a "U" shape to form a pair of opposed box walls connected by an intermediate wall panel (e.g., "crossed blanks") |