3000*3000
0
1501*1501
1917*1689
2000*1530
1968*2001
1702*1481
2100*3063
2000*2000
2268*2269
11
2269*2269
2
13
5
7
2269*2268
9
16
20
22
2268*2268
14
6
26
4
30
1
8
10
1904*1605