Y \ X
9960
9961
9962
9963
9964
9965
9966
9967
9968
9969
9970
9971
9972
9973
9974
9975
9976
9977
9978
9979
9980
9981
9982
9983
9984
9985
9986
9987
9988
9989
9990
9991
9992
9993
9994
9995
9996
9997
9998
9999
10000
5380
5379
5378
5377
5376
5375
5374
5373
5372
5371
5370
5369
5368
5367
5366
5365
5364
5363
5362
5361
5360