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
11540
11539
11538
11537
11536
11535
11534
11533
11532
11531
11530
11529
11528
11527
11526
11525
11524
11523
11522
11521
11520