D22331322231323331313231313231333131323223313232211221123231323331111   >>    D2233132223132333131323131323133313132322331323221122112323132333111   <<    D22331322231323331313231313231333131323223313232211221123231323331113   >>      D22331322231323331313231313231333131323223313232211221123231323331112   >>