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
15010
15009
15008
15007
15006
15005
15004
15003
15002
15001
15000
14999
14998
14997
14996
14995
14994
14993
14992
14991
14990