[单选题]
Monochromatic light of wavelength s,6x ;petf9-o,s3fcwe swd 9s t :2yyo500 nmf *mm1ty iobcd9ww:98 is incident normally on a grating. If the third-orderi9tc8* :9ow wmbm d1yf maximum of the diffraction pattern is observed at $32.0^{\circ}$, how many total number of maxima can be seen?
