Chapter 12 Planar Graphs478
II I
III
IV
Figure 12.5 A planar drawing with four continuous faces.dcba II IIII
IV
Figure 12.6 The drawing with labeled vertices.
avery
(avery)
#1
Chapter 12 Planar Graphs478
Figure 12.5 A planar drawing with four continuous faces.dcba II IFigure 12.6 The drawing with labeled vertices.