C121212231313232233132332313231323223313131323221323132313231323121   >>    C12121223131323223313233231323132322331313132322132313231323132312   <<    C121212231313232233132332313231323223313131323221323132313231323123   >>      C121212231313232233132332313231323223313131323221323132313231323122   >>