Y \ X
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
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
9920
9919
9918
9917
9916
9915
9914
9913
9912
9911
9910
9909
9908
9907
9906
9905
9904
9903
9902
9901
9900