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
11960
11959
11958
11957
11956
11955
11954
11953
11952
11951
11950
11949
11948
11947
11946
11945
11944
11943
11942
11941
11940