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1= [very light green], 2= [22.22% of very dark green], 3= [33.33% of very dark green], 4= [44.44% of very dark green], 5= [intermediate], 6= [66.67% of very dark green], 7= [77.78% of very dark green], 8= [88.89% of very dark green], 9= [very dark green]