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
4480
4479
4478
4477
4476
4475
4474
4473
4472
4471
4470
4469
4468
4467
4466
4465
4464
4463
4462
4461
4460