Sew two 3's together. Then sew 2 to the joined 3's and add a 4. Do this step twice. Unit 1
Sew the two 1's together. Sew a 2 to each side of the joined 1's and add the two 7's. Unit 2
Sew two 8's to each 6 and add a 5 and 4 to two of them. Unit 3 with the 4 & 5. Unit 4 without.
Now join unit 1 to unit 3 and unit 4 twice
You will have two seams with kinks in them to add unit 2 between these two pieces.