Y \ X
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
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
4190
4189
4188
4187
4186
4185
4184
4183
4182
4181
4180
4179
4178
4177
4176
4175
4174
4173
4172
4171
4170