Y \ X
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
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
13020
13019
13018
13017
13016
13015
13014
13013
13012
13011
13010
13009
13008
13007
13006
13005
13004
13003
13002
13001
13000