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
7510
7509
7508
7507
7506
7505
7504
7503
7502
7501
7500
7499
7498
7497
7496
7495
7494
7493
7492
7491
7490