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
4260
4259
4258
4257
4256
4255
4254
4253
4252
4251
4250
4249
4248
4247
4246
4245
4244
4243
4242
4241
4240