D2311231323331322331313232233132333132312111133132313231333233231   >>    D231123132333132233131323223313233313231211113313231323133323323   <<    D2311231323331322331313232233132333132312111133132313231333233233   >>      D2311231323331322331313232233132333132312111133132313231333233232   >>