Pentomino Box Packing : Solid F

1 solution.

1. UU.... | XU.... | UU....
   XT.... | XT.... | XT....
   IIIIIP | XTLYNP | WWYYYY
   VVVFFP | VTLNNP | VWWZZP
   ..FF.. | ..LN.. | ..WZ..
   ..LF.. | ..LN.. | ..ZZ..