Y \ X
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
12470
12469
12468
12467
12466
12465
12464
12463
12462
12461
12460
12459
12458
12457
12456
12455
12454
12453
12452
12451
12450