// // Build a list of lists, alternating ints and strings // int 1000 list 1 str 20000 list 1 int 300000 list 1 str 4000000 list 1 list 4 dstack2 List built setvar L getvar L int 3 at getvar L int 1 at getvar L int 2 at getvar L int 0 at list 3 swap list 1 swap list 2 dstack