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
11910
11909
11908
11907
11906
11905
11904
11903
11902
11901
11900
11899
11898
11897
11896
11895
11894
11893
11892
11891
11890