Try this out...
<cfset thelist = "0,8,16">
<!---Seed the list with values, by default the first element is the last
value in the list, and all of the others are the first value in the
list, could also be set manually--->
<cfset p1 = listlast(thelist)>
<cfloop index="lp" from="2" to="#listlen(thelist)#">
<cfset "p#lp#" = listfirst(thelist)>
</cfloop>
<cfset y = -1><!---The direction we are starting in in the list--->
<cfset x = 2><!---The position we are starting at--->
<cfoutput>
<cfset l = listfind(thelist,variables["p#x#"])>
<cfloop index="lp" from="1"
to="#listlen(thelist)#">#variables["p#lp#"]#.</cfloop><BR>
<cfloop index="n" from="1" to="50"><!---however many times you want to
iterate--->
<cfset c = 1>
<cfloop condition="((y LT 0 AND l IS 1) OR (y GT 0 AND l IS
listlen(thelist)))">
<cfset c = c + 1><cfif c GT len(thelist)>We are
looping, no more
changes seem possible.<cfabort></cfif>
<cfset y = y * -1>
<cfif x IS 1><cfset x = listlen(thelist)><cfelse><cfset
x = x - 1></cfif>
<cfset l = listfind(thelist,variables["p#x#"])>
</cfloop>
<cfset l = l + y>
<cfset "p#x#" = listgetat(thelist,l)>
<cfloop index="lp" from="1"
to="#listlen(thelist)#">#variables["p#lp#"]#.</cfloop><BR>
</cfloop>
</cfoutput>
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