public static void main ( String [ ] $ ) {
  Scanner s = new Scanner ( System . in ) ;
  int h = s . nextInt ( ) , w = s . nextInt ( ) , d = s . nextInt ( ) , r = 0 ;
  for ( int i = 0 ;
  i < h ;
  ++ i ) for ( int j = 0 ;
  j < w ;
  ++ j ) r = Math . max ( r , s . nextInt ( ) * ( ( i + j <= d && ( d - i - j ) % 2 == 0 ) ? 1 : 0 ) ) ;
  System . out . println ( r ) ;
}

public static void main ( String [ ] $ ) { Scanner s = new Scanner ( System . in ) ; int h = s . nextInt ( ) , w = s . nextInt ( ) , d = s . nextInt ( ) , r = 0 ; for ( int i = 0 ; i < h ; ++ i ) for ( int j = 0 ; j < w ; ++ j ) r = Math . max ( r , s . nextInt ( ) * ( ( i + j <= d && ( d - i - j ) % 2 == 0 ) ? 1 : 0 ) ) ; System . out . println ( r ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list (field_access object: (identifier) field: (identifier)))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier) (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (parenthesized_expression (ternary_expression condition: (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (identifier)) right: (binary_expression left: (binary_expression left: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (identifier))) right: (decimal_integer_literal)) right: (decimal_integer_literal)))) consequence: (decimal_integer_literal) alternative: (decimal_integer_literal)))))))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier))))))