x0=7.713333  y0=6.978333 label="S" xt=1.000000 yt=1.000000
x0=5.385000  y0=7.178333 label="T" xt=1.000000 yt=1.000000
x0=1.325000  y0=4.460000 label="R" xt=1.000000 yt=1.000000
x0=10.811666 y0=0.980000 label="R" xt=1.000000 yt=1.000000
