1. Glue
five of the 47" long 1x6 pieces together for the box's front panel
and five for its back panel. After the glue cures, cut the panels to
46"x25".
2. Glue
five of the 23 3/4" long 1x6 pieces together for the box's left
side panel and five for its right side panel. After the glue cures,
cut the panels to 23"x25".
3. Glue
the 45" long 1x6 pieces (there should be five) together to make
the box's floor panel. After the glue cures, cut the panel to 23"x44
1/2".