Stacked Lego plots and subranges
                                                                          
      hi/file 1 pawhists.hbook                                                                                          
      zon 2 2                                                                                                           
1     HIST/PLOT 200(0.:0.5,0.:0.5) LEGO1                                                                         
1     HIST/PLOT 200(0.5:1.,0.5:1.) LEGO1                                                                         
      zon 1 2 2 s                                                                                                       
3     OPTION BAR                                                                                                 
2     HIST/PLOT 200(0.:0.5,0.:0.5)+200(0.5:1.,0.5:1.) LEGO1                                                      
      close 1                                                                                                           

1. The two commands draw submatrices of the histogram 200 as Lego plots.
2. The submatrices previously drawn are now stacked.
3. The option BAR is active on Lego plots.