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
12890
12889
12888
12887
12886
12885
12884
12883
12882
12881
12880
12879
12878
12877
12876
12875
12874
12873
12872
12871
12870