C22221232322331313231323132323132323132313232233132313232123313232111   >>    C2222123232233131323132313232313232313231323223313231323212331323211   <<    C22221232322331313231323132323132323132313232233132313232123313232113   >>      C22221232322331313231323132323132323132313232233132313232123313232112   >>