Y \ X
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
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
15000
14999
14998
14997
14996
14995
14994
14993
14992
14991
14990
14989
14988
14987
14986
14985
14984
14983
14982
14981
14980