FIG. 12A is a plan view showing the structures of the third and fourth resist patterns 23 175 and 24 175, and FIG. 12B is a sectional view showing the structures of the third and fourth resist patterns 23 175 and 24 175 taken along a line VII???VII??? shown in FIG. 12A. As in the case described with reference to FIG. 11A and FIG. 11B, at the time of exposure, the predetermined substrate 20 is supp