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
5600
5599
5598
5597
5596
5595
5594
5593
5592
5591
5590
5589
5588
5587
5586
5585
5584
5583
5582
5581
5580