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
11850
11849
11848
11847
11846
11845
11844
11843
11842
11841
11840
11839
11838
11837
11836
11835
11834
11833
11832
11831
11830