Broken lines of equal length (e.g., dash-dash) represent unclaimed subject matter and form no part of the claimed design. Broken lines of unequal length (e.g., dash-dot) define bounds of the claimed subject matter and form no part of the claimed design. Break lines having a jagged element illustrate that no particular length of the portion is claimed and form no part of the claimed design. The appearance of any portion between the break lines forms no part of the claimed design.