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
5680
5679
5678
5677
5676
5675
5674
5673
5672
5671
5670
5669
5668
5667
5666
5665
5664
5663
5662
5661
5660