crystal reports merging more than one rows into one row in details section

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CrystalReports

Hello,

I am using crystal reports for reporting. Here i have some problem to merging rows.
The following showing original data comes from database


A 16 12.5 1-6 1 ABV DS1 54
A 16 12.5 1.6 2 ACB DS2 47
A 16 12.5 1.6 3 ACC DS3 48
A 16 12.5 1.6 4 ACD DS4 42
A 16 12.5 1.6 5 ACE DS5 40

But i want to display the report in the following manner


1 ABV DS1 54
2 ACB DS2 47
A 16 12.5 1.6 3 ACC DS3 48
4 ACD DS4 42
5 ACE DS5 40

All fields are coming from database and we need to merge rows into one row. That also we need to do in details section.

If any one know plese let me know

Thanks

BALA