Y \ X
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
991
992
993
994
995
996
997
998
999
1000
4370
4369
4368
4367
4366
4365
4364
4363
4362
4361
4360
4359
4358
4357
4356
4355
4354
4353
4352
4351
4350