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
9870
9869
9868
9867
9866
9865
9864
9863
9862
9861
9860
9859
9858
9857
9856
9855
9854
9853
9852
9851
9850