Y \ X
4640
4641
4642
4643
4644
4645
4646
4647
4648
4649
4650
4651
4652
4653
4654
4655
4656
4657
4658
4659
4660
4661
4662
4663
4664
4665
4666
4667
4668
4669
4670
4671
4672
4673
4674
4675
4676
4677
4678
4679
4680
7470
7469
7468
7467
7466
7465
7464
7463
7462
7461
7460
7459
7458
7457
7456
7455
7454
7453
7452
7451
7450