What I'm aiming for is to have new aligned lists where in raw number i for all of them I should have even the same charecter or "-". When I'll but "-" all the following items in the list should be shifted down

I'm very sorry, but I don't understand this at all. In addition to a clarifying verbal description, could you perhaps give us another example? (Within  <c> ... </c> code tags of course; please see Markup in the Monastery.) For instance, what separator distribution would you expect from the following (assuming it's a valid set of lists): 

my @List1 = qw(a a b);
my @List2 = qw(b b c);
my @List3 = qw(d d e);

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In reply to Re^2: Comparing and Aligning arrays by AnomalousMonk
in thread Comparing and Aligning arrays by abd

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