Y \ X
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
9750
9749
9748
9747
9746
9745
9744
9743
9742
9741
9740
9739
9738
9737
9736
9735
9734
9733
9732
9731
9730