C1111223321333132312323132313132313231323223313231311211331312121   >>    C111122332133313231232313231313231323132322331323131121133131212   <<    C1111223321333132312323132313132313231323223313231311211331312123   >>      C1111223321333132312323132313132313231323223313231311211331312122   >>