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
13740
13739
13738
13737
13736
13735
13734
13733
13732
13731
13730
13729
13728
13727
13726
13725
13724
13723
13722
13721
13720