g nian_BG_Screen_4
v -5.02688599 7.74557293E-07 -3.01376033
v 5.0390439 -6.96005202E-07 1.21669853
v 5.20723057 8.78254014E-07 -5.38606167
v -5.4475069 -8.75437422E-07 5.32162714
vt 0 0
vt 1 1
vt 1 0
vt 0 1
vn -0 -1 0
vn -0 -1 0
vn -0 -1 0
vn -0 -1 0
g nian_BG_Screen_4_0
f 3/3/3 2/2/2 1/1/1
f 4/4/4 1/1/1 2/2/2