[Retracted] Data Collection and Management of Digital Process of Painting and Calligraphy Based on Internet of Things

Algorithm 2

R-number retrieval process.

	Input: R-number type , request data node .
	If level = 0 do
	Back Null
	Else
	For  = 1, 2, do
	If
	End if
	End for
	End if
	Output
	Output: Retrieval result.