ListPlot[{{1,1,1},{2,2,2},{3,3,3},{4,4,4},{5,5,5},{6,6,6},{7,7,7},{8,8,8},{9,9,9},{10,10,10},{11,11,11}},PlotMarkers->Automatic]​​ListPlot[{{1,1,1},{2,2,2}},PlotMarkers->{{Graphics[Disk[]],7},{Graphics[Rectangle[]],7}},PlotStyle->{Green,Blue}]
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