Y \ X
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
13760
13759
13758
13757
13756
13755
13754
13753
13752
13751
13750
13749
13748
13747
13746
13745
13744
13743
13742
13741
13740