Y \ X
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
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
13920
13919
13918
13917
13916
13915
13914
13913
13912
13911
13910
13909
13908
13907
13906
13905
13904
13903
13902
13901
13900