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
9680
9679
9678
9677
9676
9675
9674
9673
9672
9671
9670
9669
9668
9667
9666
9665
9664
9663
9662
9661
9660