Y \ X
5540
5541
5542
5543
5544
5545
5546
5547
5548
5549
5550
5551
5552
5553
5554
5555
5556
5557
5558
5559
5560
5561
5562
5563
5564
5565
5566
5567
5568
5569
5570
5571
5572
5573
5574
5575
5576
5577
5578
5579
5580
7000
6999
6998
6997
6996
6995
6994
6993
6992
6991
6990
6989
6988
6987
6986
6985
6984
6983
6982
6981
6980