Y \ X
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
15550
15549
15548
15547
15546
15545
15544
15543
15542
15541
15540
15539
15538
15537
15536
15535
15534
15533
15532
15531
15530