SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 3)
    Identifier arr1
    Identifier arr2
    Function count (alias c) (children 1)
     ExpressionList
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 3)
          ExpressionList (children 2)
           Function range (alias arr1) (children 1)
            ExpressionList (children 1)
             Identifier number
           Function range (alias arr2) (children 1)
            ExpressionList (children 1)
             Function toUInt64 (children 1)
              ExpressionList (children 1)
               Function minus (children 1)
                ExpressionList (children 2)
                 Literal UInt64_10
                 Identifier number
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier system.numbers
          Literal UInt64_11
   ExpressionList (children 2)
    Identifier arr1
    Identifier arr2
   ExpressionList (children 3)
    OrderByElement (children 1)
     Identifier c
    OrderByElement (children 1)
     Identifier arr1
    OrderByElement (children 1)
     Identifier arr2