Y \ X
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
12980
12979
12978
12977
12976
12975
12974
12973
12972
12971
12970
12969
12968
12967
12966
12965
12964
12963
12962
12961
12960