C121212231313232233131323223313231323131111223132313231323132312312331   >>    C12121223131323223313132322331323132313111122313231323132313231231233   <<    C121212231313232233131323223313231323131111223132313231323132312312333   >>      C121212231313232233131323223313231323131111223132313231323132312312332   >>