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
12260
12259
12258
12257
12256
12255
12254
12253
12252
12251
12250
12249
12248
12247
12246
12245
12244
12243
12242
12241
12240