SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 3)
    Function concat (alias s) (children 1)
     ExpressionList (children 2)
      Function toString (children 1)
       ExpressionList (children 1)
        Function modulo (alias n) (children 1)
         ExpressionList (children 2)
          Identifier number
          Literal UInt64_256
      Literal \'\'
    Identifier n
    Function max (children 1)
     ExpressionList (children 1)
      Identifier s
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.numbers_mt
   ExpressionList (children 10)
    Identifier s
    Identifier n
    Identifier n
    Identifier n
    Identifier n
    Identifier n
    Identifier n
    Identifier n
    Identifier n
    Identifier n
   ExpressionList (children 2)
    OrderByElement (children 1)
     Identifier s
    OrderByElement (children 1)
     Identifier n
