public static void main ( String [ ] args ) {
  Scanner scan = new Scanner ( System . in ) ;
  int cases = scan . nextInt ( ) ;
  int r , n , m , k , count ;
  int [ ] res ;
  long lcmAll ;
  for ( int c = 1 ;
  c <= cases ;
  c ++ ) {
    r = scan . nextInt ( ) ;
    n = scan . nextInt ( ) ;
    m = scan . nextInt ( ) ;
    k = scan . nextInt ( ) ;
    res = new int [ n ] ;
    System . out . println ( "Case #" + c + ": " ) ;
    for ( int i = 0 ;
    i < r ;
    i ++ ) {
      lcmAll = 1 ;
      for ( int j = 0 ;
      j < k ;
      j ++ ) lcmAll = lcm ( lcmAll , scan . nextInt ( ) ) ;
      count = 0 ;
      for ( int j : SET ) {
        while ( count < n && ( lcmAll % j ) == 0 ) {
          lcmAll /= j ;
          res [ count ] = j ;
          count ++ ;
        }
      }
      if ( res [ 0 ] == 4 && res [ n - 1 ] == 1 ) {
        res [ 0 ] = 2 ;
        res [ n - 1 ] = 2 ;
      }
      for ( int j : res ) System . out . print ( j == 1 ? 2 : j ) ;
      System . out . println ( ) ;
    }
  }
}

public static void main ( String [ ] args ) { Scanner scan = new Scanner ( System . in ) ; int cases = scan . nextInt ( ) ; int r , n , m , k , count ; int [ ] res ; long lcmAll ; for ( int c = 1 ; c <= cases ; c ++ ) { r = scan . nextInt ( ) ; n = scan . nextInt ( ) ; m = scan . nextInt ( ) ; k = scan . nextInt ( ) ; res = new int [ n ] ; System . out . println ( " Case ▁ # " + c + " : ▁ " ) ; for ( int i = 0 ; i < r ; i ++ ) { lcmAll = 1 ; for ( int j = 0 ; j < k ; j ++ ) lcmAll = lcm ( lcmAll , scan . nextInt ( ) ) ; count = 0 ; for ( int j : SET ) { while ( count < n && ( lcmAll % j ) == 0 ) { lcmAll /= j ; res [ count ] = j ; count ++ ; } } if ( res [ 0 ] == 4 && res [ n - 1 ] == 1 ) { res [ 0 ] = 2 ; res [ n - 1 ] = 2 ; } for ( int j : res ) System . out . print ( j == 1 ? 2 : j ) ; System . out . println ( ) ; } } }
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(local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier))) (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: (block (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: 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(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 name: (identifier) arguments: (argument_list (identifier) (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))))))) (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal))) (enhanced_for_statement type: (integral_type) name: (identifier) value: (identifier) body: (block (while_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) right: (decimal_integer_literal)))) body: (block (expression_statement (assignment_expression left: (identifier) right: (identifier))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (identifier))) (expression_statement (update_expression (identifier))))))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (array_access array: (identifier) index: (decimal_integer_literal)) right: (decimal_integer_literal)) right: (binary_expression left: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (decimal_integer_literal)))) consequence: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (decimal_integer_literal)) right: (decimal_integer_literal))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (binary_expression left: 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