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
11610
11609
11608
11607
11606
11605
11604
11603
11602
11601
11600
11599
11598
11597
11596
11595
11594
11593
11592
11591
11590