public static void main ( String [ ] args ) {
  int T ;
  Scanner in = new Scanner ( System . in ) ;
  T = in . nextInt ( ) ;
  while ( T -- > 0 ) {
    int n = in . nextInt ( ) , k = in . nextInt ( ) ;
    k -- ;
    int ans ;
    if ( n % 2 == 0 ) ans = ( k % n ) + 1 ;
    else ans = ( k + ( k / ( n / 2 ) ) ) % n + 1 ;
    System . out . println ( ans ) ;
  }
}

public static void main ( String [ ] args ) { int T ; Scanner in = new Scanner ( System . in ) ; T = in . nextInt ( ) ; while ( T -- > 0 ) { int n = in . nextInt ( ) , k = in . nextInt ( ) ; k -- ; int ans ; if ( n % 2 == 0 ) ans = ( k % n ) + 1 ; else ans = ( k + ( k / ( n / 2 ) ) ) % n + 1 ; System . out . println ( ans ) ; } }
(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: (integral_type) declarator: (variable_declarator name: (identifier))) (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)))))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (while_statement condition: (parenthesized_expression (binary_expression left: (update_expression (identifier)) right: (decimal_integer_literal))) body: (block (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)))) (expression_statement (update_expression (identifier))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) right: (decimal_integer_literal)))) alternative: (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (parenthesized_expression (binary_expression left: (identifier) right: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))))))) right: (identifier)) right: (decimal_integer_literal))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier))))))))