C121212231313232233131323223313231323132313331323131133132313331323132323231   >>    C12121223131323223313132322331323132313231333132313113313231333132313232323   <<    C121212231313232233131323223313231323132313331323131133132313331323132323233   >>      C121212231313232233131323223313231323132313331323131133132313331323132323232   >>