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
12390
12389
12388
12387
12386
12385
12384
12383
12382
12381
12380
12379
12378
12377
12376
12375
12374
12373
12372
12371
12370