Y \ X
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
13650
13649
13648
13647
13646
13645
13644
13643
13642
13641
13640
13639
13638
13637
13636
13635
13634
13633
13632
13631
13630