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
15630
15629
15628
15627
15626
15625
15624
15623
15622
15621
15620
15619
15618
15617
15616
15615
15614
15613
15612
15611
15610