Y \ X
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
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
13690
13689
13688
13687
13686
13685
13684
13683
13682
13681
13680
13679
13678
13677
13676
13675
13674
13673
13672
13671
13670