Y \ X
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
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
2990
2989
2988
2987
2986
2985
2984
2983
2982
2981
2980
2979
2978
2977
2976
2975
2974
2973
2972
2971
2970