Y \ X
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
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
4690
4689
4688
4687
4686
4685
4684
4683
4682
4681
4680
4679
4678
4677
4676
4675
4674
4673
4672
4671
4670