Y \ X
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
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
13500
13499
13498
13497
13496
13495
13494
13493
13492
13491
13490
13489
13488
13487
13486
13485
13484
13483
13482
13481
13480