issue trying to use awk

Hi Gurus,

I am facing a similar issue usiung an awk command. Below is my requirement:

---DATA---
A;F;G
A;D;E
A;D;E
B;Z;P
C;Z;Q

Expected:
A
F<TAB>G
D<TAB>E
D<TAB>E

B
D<TAB>E

C
Z<TAB>Q

I try using gawk -F";" 'print $1 $3' but it doenot help.

Please help in getting such an output.

Thanks in Advance

Regards
Rajan

Try this:

awk -F";" '{OFS="\t";if(x!=$1){print "\n"$1;x=$1};print $2,$3}' filename