C111122332133313231232313231313231323132322331323131123313132313231111   >>    C11112233213331323123231323131323132313232233132313112331313231323111   <<    C111122332133313231232313231313231323132322331323131123313132313231113   >>      C111122332133313231232313231313231323132322331323131123313132313231112   >>