It takes 123 5" squares and 17 5" squares of one solid color. 5" squares will give you a quilt approximately 51" x 70". Here is what I did:
This is the diagram for the way the blocks are laid out.
These are my piles of charms.
Here are a couple of rows set together.
These are the rows all sewn together--notice where the yellow blocks are.
Here I cut along the diagonal of all the yellow blocks--once the yellow blocks are sewn you can see right where you need to cut. Then you rearrange the pieces and you will see just where they need to go--like pieces of a puzzle.