int lar_value[19]= {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18}
int lar_ret[10]
string ls_ret
for i = 1 to 10
li_rand = 18 - i + 1
li_rand = rand(li_rand)
lar_ret[i] = lar_value [li_rand]
for m = li_rand + 1 to 19
lar_value [m - 1] = lar_value [m]
next
ls_ret += "," + string(lar_ret[i])