Pentomino Puzzles

	The pentomino puzzle consists of the 12 different shapes that can be built with 5 squares. The pieces are named after the letters that reflect their shape: F, I, L, N, P, T, U V, W, X, Y, Z. The challenge is to use all 12 pieces to form different shapes. The following rectangles can be built: 3 x 20, 4 x 15, 5 x 12, and 6 x 10.