{
    for (i = 3; i < NF; ++i) {
        if ($i ~ /^[0-9]+$/) {
            j = match($0, "[ ]+" $(i-1) "[ ]+" $i " ")
            print substr($0, 0, j - 1) "·" $(i-1) "·" $i
            break
        }
    }
}