D2311231323331322331313232233132333132312111133132313231333112131   >>    D231123132333132233131323223313233313231211113313231323133311213   <<    D2311231323331322331313232233132333132312111133132313231333112133   >>      D2311231323331322331313232233132333132312111133132313231333112132   >>