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
12660
12659
12658
12657
12656
12655
12654
12653
12652
12651
12650
12649
12648
12647
12646
12645
12644
12643
12642
12641
12640