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
7960
7959
7958
7957
7956
7955
7954
7953
7952
7951
7950
7949
7948
7947
7946
7945
7944
7943
7942
7941
7940