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
7620
7619
7618
7617
7616
7615
7614
7613
7612
7611
7610
7609
7608
7607
7606
7605
7604
7603
7602
7601
7600