The tone hole is around 8.5 inches. Other than the fundamental, all of the plots begin on the expected node or antinode. All odds end on an upward slope and the evens on a downward. Again, the odds and the evens preceeding them look vaguely alike. As with C4, special attention should be paid to the shape of the even harmonics. From 2nd-6th there is one hump, two humps, and three humps.