C31333131123313331311233133313231333132313232233133313232111323221   >>    C3133313112331333131123313331323133313231323223313331323211132322   <<    C31333131123313331311233133313231333132313232233133313232111323223   >>      C31333131123313331311233133313231333132313232233133313232111323222   >>