Y \ X
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
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
9250
9249
9248
9247
9246
9245
9244
9243
9242
9241
9240
9239
9238
9237
9236
9235
9234
9233
9232
9231
9230