Y \ X
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
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
15130
15129
15128
15127
15126
15125
15124
15123
15122
15121
15120
15119
15118
15117
15116
15115
15114
15113
15112
15111
15110