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
15480
15479
15478
15477
15476
15475
15474
15473
15472
15471
15470
15469
15468
15467
15466
15465
15464
15463
15462
15461
15460