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
4080
4079
4078
4077
4076
4075
4074
4073
4072
4071
4070
4069
4068
4067
4066
4065
4064
4063
4062
4061
4060