Dose anyone get the fons & porter magazine. I'm trying to make the Montana Hearth quilt it is in the september/october 2010 issue. The directions; cut 6 ( 1 3/4"-wide) stripes. From strips cut 80 diamonds. I got that, but under that it says 160 C. What dose the 160 C main. Can anyone explain to me what I have to do with the 160 C. Thanks labug