Y \ X
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
12980
12979
12978
12977
12976
12975
12974
12973
12972
12971
12970
12969
12968
12967
12966
12965
12964
12963
12962
12961
12960