C31333131123313331311233133313231333132313232233133313332223221   >>    C3133313112331333131123313331323133313231323223313331333222322   <<    C31333131123313331311233133313231333132313232233133313332223223   >>      C31333131123313331311233133313231333132313232233133313332223222   >>