Y \ X
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
10860
10859
10858
10857
10856
10855
10854
10853
10852
10851
10850
10849
10848
10847
10846
10845
10844
10843
10842
10841
10840