3) Turn your two stacked sheets so your cuts will be 51 1/2" direction, and then cut off a 1 3/4" strip (so the piece should be 1 3/4" x 5 1/2" inches)
3) Turn your two stacked sheets so your cuts will be the 5 1/2" direction, and then cut off a 1 3/4" strip (so the piece cut off should be 1 3/4" x 5 1/2" inches).