3000*3001
0
0
3000*3001
2
0
3000*3001
1
0
3001*3001
0
0
3000*3001
1
0
3000*3001
0
0
3000*3001
0
0
3000*3001
1
0
3001*3001
1
0
3001*3001
1
0
3001*3001
0
0
3000*3001
0
0
3000*3001
0
0
3001*3001
0
0
3001*3001
0
0
3001*3001
1
0
3001*3001
0
0
3001*3001
0
0
3001*3001
0
0
3001*3001
1
0
3001*3001
0
0
3000*3001
0
0
3000*3001
0
0
3001*3001
0
0
2973*215
1
0