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
4380
4379
4378
4377
4376
4375
4374
4373
4372
4371
4370
4369
4368
4367
4366
4365
4364
4363
4362
4361
4360