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
11540
11539
11538
11537
11536
11535
11534
11533
11532
11531
11530
11529
11528
11527
11526
11525
11524
11523
11522
11521
11520