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  1. or download this
    V(qw/74 401 211 79/);
    sub V{while(@_){
    ...
                chr(shift):
                    chr(reverse(pop))}$_)
            ,$V+=$#_%2!=1?1:0}}
    
  2. or download this
    
    
    
    V(qw/74 401 211 79/);sub V{while(@_){$v**=$V?$#_:$V;
    print(map{$V<$v?chr(shift):chr(reverse(pop))}$_),$V+=$#_%2!=1?1:0}}