Dear All,
Sorry for the previous mail,suppose this data.frame
D


V7 V8 V9 V10 V11 V12 V13 V14 V15 V16 V17 V18 V19 V20 V21 V22
C  C  C   C   T   T   G   G   A   A   C   C   G   G   C   C
G  G  T   T   A   A   A   A   T   A   T   T   C   C   G   G
C  C  C   C   T   T   G   G   A   A   C   C   G   G   C   C





I would translate D as follow ( just for the first line)

C C T G A C G C
C C T G A C G C
(V8 under V7) (V9 under V10) ...

Any help would be appreciated

Regards
M

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