C22221232322331313231323132323132323132313232233132313232123313231323221111   >>    C2222123232233131323132313232313232313231323223313231323212331323132322111   <<    C22221232322331313231323132323132323132313232233132313232123313231323221113   >>      C22221232322331313231323132323132323132313232233132313232123313231323221112   >>