Y \ X
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
10870
10869
10868
10867
10866
10865
10864
10863
10862
10861
10860
10859
10858
10857
10856
10855
10854
10853
10852
10851
10850