2857*4531
3
0
4307*4562
3208*4524
3231*4535
872*770
1014*1170
2567*2667
4088*4307
2
4222*4585
3359*4630
4746*3859
4235*4374
4756*4511
6221*4584
4345*4385
3978*4493
4476*4518
3753*4693
4823*3591
3391*4405
4915*4578
4043*4584
2827*4483
3381*4594
8
3712*4617