SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 5)
    Identifier c
    Identifier a
    Identifier a
    Identifier b
    Identifier b
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (alias js1) (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 3)
          ExpressionList (children 3)
           Literal UInt64_1 (alias a)
           Literal UInt64_1 (alias a)
           Literal UInt64_42 (alias c)
          ExpressionList (children 1)
           Identifier c
          ExpressionList (children 2)
           OrderByElement (children 1)
            Identifier a
           OrderByElement (children 1)
            Identifier c
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      Subquery (alias js2) (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 3)
          ExpressionList (children 3)
           Literal UInt64_2 (alias b)
           Literal UInt64_2 (alias b)
           Literal UInt64_41 (alias c)
          ExpressionList (children 1)
           Identifier c
          ExpressionList (children 2)
           OrderByElement (children 1)
            Identifier b
           OrderByElement (children 1)
            Identifier c
     TableJoin (children 1)
      ExpressionList (children 1)
       Identifier c
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier b