Y \ X
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
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
2800
2799
2798
2797
2796
2795
2794
2793
2792
2791
2790
2789
2788
2787
2786
2785
2784
2783
2782
2781
2780