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
8670
8669
8668
8667
8666
8665
8664
8663
8662
8661
8660
8659
8658
8657
8656
8655
8654
8653
8652
8651
8650