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
9520
9519
9518
9517
9516
9515
9514
9513
9512
9511
9510
9509
9508
9507
9506
9505
9504
9503
9502
9501
9500