Y \ X
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
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
13130
13129
13128
13127
13126
13125
13124
13123
13122
13121
13120
13119
13118
13117
13116
13115
13114
13113
13112
13111
13110