C313212111133131211331333133313331311331333133313113313331322331313311211   >>    C31321211113313121133133313331333131133133313331311331333132233131331121   <<    C313212111133131211331333133313331311331333133313113313331322331313311213   >>      C313212111133131211331333133313331311331333133313113313331322331313311212   >>