C31333131123313331311233133313231333132313232233112211232313131   >>    C3133313112331333131123313331323133313231323223311221123231313   <<    C31333131123313331311233133313231333132313232233112211232313133   >>      C31333131123313331311233133313231333132313232233112211232313132   >>