if pairs don 't overlap,  print them and return
if ( ( m != i and m != j ) and ( n != i and n != j ) ) : NEW_LINE INDENT print ( " Pair ▁ First ▁ ( { } , ▁ { } ) " . format ( arr [ i ] , arr [ j ] ) ) NEW_LINE print ( " Pair ▁ Second ▁ ( { } , ▁ { } ) " . format ( arr [ m ] , arr [ n ] ) ) NEW_LINE return NEW_LINE DEDENT