These are the first set of instructions for the sewing of the pieces of the mystery quilt....ask any questions in the comments section.
Sew triangles G and H together. Place the right angles together ontop of each other with H on top. Sew a 1/4 inch seam. Press seam to darker fabric. When opened out H will be on the right. Make 32 GH units.
Join a GH unit to an F triangle. Press seams towards the F triangle. Make 32 GHF units.