2069*1279
5
0
1971*1458
1
1975*843
1999*1571
2
3
1578*1523
1974*1846
1724*1579
2050*1514
1881*1700
4609*6168
2506*2194
8
4172*6950
2014*1078
1651*1854
1781*1732
2461*1749
1772*1772
2662*2463
2239*1588
1817*1430
1702*1003
2115*1746
1921*851
1945*1839
1664*823