g x_yun1
v -0.317499906 -0.317500085 -1.2700001E-06
v -0.317499906 0.317499906 -1.2700001E-06
v 0.317500085 0.317499906 -1.2700001E-06
v 0.317500085 -0.317500085 -1.2700001E-06
vt 0 0.5
vt 0 0.75
vt 0.25 0.75
vt 0.25 0.5
vn -0 0 1
vn -0 0 1
vn -0 0 1
vn -0 0 1
g x_yun1_0
f 3/3/3 2/2/2 1/1/1
f 4/4/4 3/3/3 1/1/1