How to show a sequence?

L

Leon Hoeneveld

Hi group,

I've got a sequence (in a query):

L
L
L
N
N
L
N
N
N

Now I need the string/query L3-N2-L1-N3?

How can I get the string from the query?
If I "group by" I get L4-N5!

Regards, Léon Hoeneveld
 

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