set line 51 1 draw recf 0.50 0.2 1.44 0.4 set line 52 1 draw recf 1.91 0.2 2.84 0.4 set line 53 1 draw recf 2.84 0.2 3.78 0.4 set line 54 1 draw recf 3.78 0.2 4.72 0.4 set line 55 1 draw recf 4.72 0.2 5.66 0.4 set line 56 1 draw recf 5.66 0.2 6.59 0.4 set line 57 1 draw recf 7.06 0.2 8.00 0.4 set string 1 tc set strsiz 0.12 0.14 draw string 0.97 0.6 < 5 draw string 1.91 0.6 5 draw string 2.84 0.6 10 draw string 3.78 0.6 15 draw string 4.72 0.6 20 draw string 5.66 0.6 25 draw string 6.59 0.6 30 draw string 7.53 0.6 >30