C121212231313232233131323223313231323132313331323131323233231311   >>    C12121223131323223313132322331323132313231333132313132323323131   <<    C121212231313232233131323223313231323132313331323131323233231313   >>      C121212231313232233131323223313231323132313331323131323233231312   >>