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
8870
8869
8868
8867
8866
8865
8864
8863
8862
8861
8860
8859
8858
8857
8856
8855
8854
8853
8852
8851
8850