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
10490
10489
10488
10487
10486
10485
10484
10483
10482
10481
10480
10479
10478
10477
10476
10475
10474
10473
10472
10471
10470