1050*500
0
0
1050*500
0
0
1050*500
0
0
1050*500
0
0
1050*500
0
0
1050*500
0
0
1050*500
0
0
1050*500
0
0
1050*500
0
0
1050*500
0
0
1050*500
0
0
1050*500
0
0
1050*500
0
0
1050*500
0
0
1050*500
0
0
1050*500
0
0
1050*500
0
0
1050*500
0
0
1050*500
0
0
1050*500
0
0
1050*500
0
0
1050*500
0
0
1050*500
0
0
1050*500
0
0
500*500
0
0