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
9910
9909
9908
9907
9906
9905
9904
9903
9902
9901
9900
9899
9898
9897
9896
9895
9894
9893
9892
9891
9890