make them all into one form, there is no need to seperate them unless they are going to different pages.
form method="POST" name= "radio form" action="insert.asp">
<input type="radio" name="a" value="set1">Set 1
<input type="radio" name="a" value="set2">Set 2
<input type="radio" name="a" value="set3">Set 3
<input type="radio" name="a" value="set4">Set 4
<input type="radio" name="a" value="set5">Set 5
<input type="radio" name="a" value="set6">Set 6
<input type="radio" name="b" value="<%=set1%>">Set 1
<input type="radio" name="b" value="<%=set2%>">Set 2
<input type="radio" name="b" value="<%=set3%>">Set 3
<input type="radio" name="b" value="<%=set4%>">Set 4
<input type="radio" name="b" value="<%=set5%>">Set 5
<input type="radio" name="b" value="<%=set6%>">Set 6
<input type="radio" name="c" value="<%=set1%>">Set 1
<input type="radio" name="c" value="<%=set2%>">Set 2
<input type="radio" name="c" value="<%=set3%>">Set 3
<input type="radio" name="c" value="<%=set4%>">Set 4
<input type="radio" name="c" value="<%=set5%>">Set 5
<input type="radio" name="c" value="<%=set6%>">Set 6
<input type="radio" name="d" value="<%=set1%>">Set 1
<input type="radio" name="d" value="<%=set2%>">Set 2
<input type="radio" name="d" value="<%=set3%>">Set 3
<input type="radio" name="d" value="<%=set4%>">Set 4
<input type="radio" name="d" value="<%=set5%>">Set 5
<input type="radio" name="d" value="<%=set6%>">Set 6
<input type="radio" name="e" value="<%=set1%>">Set 1
<input type="radio" name="e" value="<%=set2%>">Set 2
<input type="radio" name="e" value="<%=set3%>">Set 3
<input type="radio" name="e" value="<%=set4%>">Set 4
<input type="radio" name="e" value="<%=set5%>">Set 5
<input type="radio" name="e" value="<%=set6%>">Set 6
<input type="radio" name="f" value="<%=set1%>">Set 1
<input type="radio" name="f" value="<%=set2%>">Set 2
<input type="radio" name="f" value="<%=set3%>">Set 3
<input type="radio" name="f" value="<%=set4%>">Set 4
<input type="radio" name="f" value="<%=set5%>">Set 5
<input type="radio" name="f" value="<%=set6%>">Set 6
<input type="submit" name="submit" value="sendum!">
</form>
then on your react page just say for eg
RS("f") equals (however you do this is up to you)
Request.form("f")
and you will get the set number in the DB.
also note, in the top set I removed the <%= bit, this is redundant, unless set1 is a variable.