C31333131123313331311233133313231333132313232233132313331323211231211   >>    C3133313112331333131123313331323133313231323223313231333132321123121   <<    C31333131123313331311233133313231333132313232233132313331323211231213   >>      C31333131123313331311233133313231333132313232233132313331323211231212   >>