C313212111113331323312111133133313331333131212111133112211232322333221   >>    C31321211111333132331211113313331333133313121211113311221123232233322   <<    C313212111113331323312111133133313331333131212111133112211232322333223   >>      C313212111113331323312111133133313331333131212111133112211232322333222   >>