Y \ X
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
2870
2869
2868
2867
2866
2865
2864
2863
2862
2861
2860
2859
2858
2857
2856
2855
2854
2853
2852
2851
2850