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
9720
9719
9718
9717
9716
9715
9714
9713
9712
9711
9710
9709
9708
9707
9706
9705
9704
9703
9702
9701
9700