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
5580
5579
5578
5577
5576
5575
5574
5573
5572
5571
5570
5569
5568
5567
5566
5565
5564
5563
5562
5561
5560