C22221232322331313231323132323132323132313232233132313123231331   >>    C2222123232233131323132313232313232313231323223313231312323133   <<    C22221232322331313231323132323132323132313232233132313123231333   >>      C22221232322331313231323132323132323132313232233132313123231332   >>