B-mode gaps (or duplicate numbers) in sounding sequence:
(The soundings numbered below exist, gaps are in between),
667171 to 667173
667645 to 667647
667853 to 667855
667855 to 667857
667857 to 667859
667859 to 667861
667861 to 667863
667863 to 667865
667865 to 667867
667867 to 667869
667869 to 667871
667871 to 667873
667873 to 667875
667875 to 667877
667877 to 667879
667879 to 667881
667881 to 667883
667883 to 667885
667885 to 667887
667887 to 667889
667889 to 667891
667891 to 667893
667893 to 667895
667895 to 667897
667897 to 667899
667899 to 667901
667901 to 667903
667903 to 667905
667905 to 667907
667907 to 667909
667909 to 667911
667911 to 667913
667913 to 667915
667915 to 667917
667917 to 667919
667919 to 667921
667921 to 667923
667923 to 667925
667925 to 667927
667927 to 667929
667929 to 667931
667931 to 667933
667933 to 667935
667935 to 667937
667937 to 667939
667939 to 667941
667941 to 667943
667943 to 667945
667945 to 667947
667947 to 667949
667949 to 667951
667951 to 667953
667953 to 667955
668033 to 668035
668287 to 668289
668641 to 668643
669536 to 669538
670472 to 670474
670864 to 670866
671288 to 671290