To make one side unit, place a Color 4 square right sides together
atop the right end of a Color 1 short rectangle with outer edges
aligned. On the back of the top square lightly mark the diagonal. Sew
on this diagonal marking. Cut off the excess seam allowance. Press the
remainder towards the center. This should measure 3-1/2" x
6-1/2"...on to Page 2!