C22221232322331313231323132323132323132313232233132313331121231   >>    C2222123232233131323132313232313232313231323223313231333112123   <<    C22221232322331313231323132323132323132313232233132313331121233   >>      C22221232322331313231323132323132323132313232233132313331121232   >>