D2311231323331322331313232233132333132312111133132313231333132321   >>    D231123132333132233131323223313233313231211113313231323133313232   <<    D2311231323331322331313232233132333132312111133132313231333132323   >>      D2311231323331322331313232233132333132312111133132313231333132322   >>