lll.lib
LIB "lll.lib"; list l=list(1,-2,4),list(2,1,-7); LLL(l); ==> [1]: ==> [1]: ==> 1 ==> [2]: ==> -2 ==> [3]: ==> 4 ==> [2]: ==> [1]: ==> 3 ==> [2]: ==> -1 ==> [3]: ==> -3