g plane_zhongxin
v -0.231000528 2.56000018 -4.99999999E-07
v 4.88899994 2.56000018 -4.99999999E-07
v -0.231000528 -2.56000018 -4.99999999E-07
v 4.88899994 -2.56000018 -4.99999999E-07
vt 0 1
vt 1 1
vt 0 0
vt 1 0
vn -0 0 1
vn -0 0 1
vn -0 0 1
vn -0 0 1
g plane_zhongxin_0
f 3/3/3 2/2/2 1/1/1
f 2/2/2 3/3/3 4/4/4