x0=6.1  y0=4.7 label="a" xt=0.000000 yt=0.000000 lab_fat=0 lab_color=7 boxit=1 size=0.200000 pointer=1 x_oval=0.000000 y_oval=0.000000 
x0=11.2 y0=4.7 label="b" xt=0.000000 yt=0.000000 lab_fat=0 lab_color=7 boxit=1 size=0.200000 pointer=1 x_oval=0.000000 y_oval=0.000000 
x0=6.1  y0=0.85 label="c" xt=0.000000 yt=0.000000 lab_fat=0 lab_color=7 boxit=1 size=0.200000 pointer=1 x_oval=0.000000 y_oval=0.000000 
x0=11.2 y0=0.85 label="d" xt=0.000000 yt=0.000000 lab_fat=0 lab_color=7 boxit=1 size=0.200000 pointer=1 x_oval=0.000000 y_oval=0.000000 
