C121212231313232233131323223313231323132313331323131333131331121   >>    C12121223131323223313132322331323132313231333132313133313133112   <<    C121212231313232233131323223313231323132313331323131333131331123   >>      C121212231313232233131323223313231323132313331323131333131331122   >>