D2311231323331322331313232233132313233313231211113313231313111121   >>    D231123132333132233131323223313231323331323121111331323131311112   <<    D2311231323331322331313232233132313233313231211113313231313111123   >>      D2311231323331322331313232233132313233313231211113313231313111122   >>