C121212231313232233132332313231323223313133313231323132313311231231   >>    C12121223131323223313233231323132322331313331323132313231331123123   <<    C121212231313232233132332313231323223313133313231323132313311231233   >>      C121212231313232233132332313231323223313133313231323132313311231232   >>