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
7450
7449
7448
7447
7446
7445
7444
7443
7442
7441
7440
7439
7438
7437
7436
7435
7434
7433
7432
7431
7430