start clip rectangle 250 250 850 750
  start transform 1 0 0 1 0 0
    push group
      start transform 1 0 -0 1 0 0
        start clip glyph 3
          start transform 1 0 0 1 0 0
            solid 0 0 255 127
          end transform
        end clip
      end transform
      push group
        start transform 1 0 0 1 100 0
          start transform 1 0 -0 1 0 0
            start clip glyph 3
              start transform 1 0 0 1 0 0
                solid 255 165 0 178
              end transform
            end clip
          end transform
        end transform
      pop group mode 4
    pop group mode 3
  end transform
end clip