Y \ X
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
12850
12849
12848
12847
12846
12845
12844
12843
12842
12841
12840
12839
12838
12837
12836
12835
12834
12833
12832
12831
12830