C121212231313232233131323223313231323132313331323131331123123221   >>    C12121223131323223313132322331323132313231333132313133112312322   <<    C121212231313232233131323223313231323132313331323131331123123223   >>      C121212231313232233131323223313231323132313331323131331123123222   >>