OK, is this the pattern you are making???
https://www.google.com/search?q=sans...2F%3B236%3B289
If so, the strips do go all in a vertical direction. You have to "fussy piece" the center section by eliminating certain pieces from the strip and then sewing them together. I hope this picture helps. PM me if I can help you further. You are on the right track and you colors are great.