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
9250
9249
9248
9247
9246
9245
9244
9243
9242
9241
9240
9239
9238
9237
9236
9235
9234
9233
9232
9231
9230