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
6970
6969
6968
6967
6966
6965
6964
6963
6962
6961
6960
6959
6958
6957
6956
6955
6954
6953
6952
6951
6950