text: Traverse the string , S
code: for i in range ( N - 1 , - 1 , - 1 ) : NEW_LINE INDENT if ( l > j ) : NEW_LINE INDENT break NEW_LINE DEDENT if ( ord ( S [ i ] ) >= ( ord ( ' a ' ) + min ( N , 25 ) ) or S [ i ] in M and M [ S [ i ] ] > 1 ) : NEW_LINE DEDENT