C31333131123313331311233133313231333132313232233133313331323211222331   >>    C3133313112331333131123313331323133313231323223313331333132321122233   <<    C31333131123313331311233133313231333132313232233133313331323211222333   >>      C31333131123313331311233133313231333132313232233133313331323211222332   >>