SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 7)
    Identifier number
    Function toString (children 1)
     ExpressionList (children 1)
      Identifier number
    Function range (alias arr) (children 1)
     ExpressionList (children 1)
      Identifier number
    Function arrayMap (alias arr_s) (children 1)
     ExpressionList (children 2)
      Function lambda (children 1)
       ExpressionList (children 2)
        Function tuple (children 1)
         ExpressionList (children 1)
          Identifier x
        Function toString (children 1)
         ExpressionList (children 1)
          Identifier x
      Identifier arr
    Function arrayMap (alias arr_arr) (children 1)
     ExpressionList (children 2)
      Function lambda (children 1)
       ExpressionList (children 2)
        Function tuple (children 1)
         ExpressionList (children 1)
          Identifier x
        Function range (children 1)
         ExpressionList (children 1)
          Identifier x
      Identifier arr
    Function arrayMap (alias arr_arr_s) (children 1)
     ExpressionList (children 2)
      Function lambda (children 1)
       ExpressionList (children 2)
        Function tuple (children 1)
         ExpressionList (children 1)
          Identifier x
        Function arrayMap (children 1)
         ExpressionList (children 2)
          Function lambda (children 1)
           ExpressionList (children 2)
            Function tuple (children 1)
             ExpressionList (children 1)
              Identifier y
            Function toString (children 1)
             ExpressionList (children 1)
              Identifier y
          Identifier x
      Identifier arr_arr
    Function arrayMap (alias arr_fs) (children 1)
     ExpressionList (children 2)
      Function lambda (children 1)
       ExpressionList (children 2)
        Function tuple (children 1)
         ExpressionList (children 1)
          Identifier x
        Function toFixedString (children 1)
         ExpressionList (children 2)
          Identifier x
          Literal UInt64_3
      Identifier arr_s
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.numbers
   Literal UInt64_5
   Literal UInt64_10