Y \ X
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
4370
4369
4368
4367
4366
4365
4364
4363
4362
4361
4360
4359
4358
4357
4356
4355
4354
4353
4352
4351
4350