Imports github.com/llgcode/draw2d/draw2dimg Standard library imports BwInf37_runde2/lisa_rennt/file BwInf37_runde2/lisa_rennt/graph_solution BwInf37_runde2/lisa_rennt/lib BwInf37_runde2/lisa_rennt/rendering fmt image image/draw image/png math os strconv