Y \ X
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
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
9700
9699
9698
9697
9696
9695
9694
9693
9692
9691
9690
9689
9688
9687
9686
9685
9684
9683
9682
9681
9680