Y \ X
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
2870
2869
2868
2867
2866
2865
2864
2863
2862
2861
2860
2859
2858
2857
2856
2855
2854
2853
2852
2851
2850