Y \ X
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
14130
14129
14128
14127
14126
14125
14124
14123
14122
14121
14120
14119
14118
14117
14116
14115
14114
14113
14112
14111
14110