Y \ X
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
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
11630
11629
11628
11627
11626
11625
11624
11623
11622
11621
11620
11619
11618
11617
11616
11615
11614
11613
11612
11611
11610