C313212111113331323312111133133313331333133313331333133313331333131231213311211   >>    C31321211111333132331211113313331333133313331333133313331333133313123121331121   <<    C313212111113331323312111133133313331333133313331333133313331333131231213311213   >>      C313212111113331323312111133133313331333133313331333133313331333131231213311212   >>