Y \ X
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
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
9880
9879
9878
9877
9876
9875
9874
9873
9872
9871
9870
9869
9868
9867
9866
9865
9864
9863
9862
9861
9860