C313212111133131211331333133313331333112113121111331322331311331333132332323311   >>    C31321211113313121133133313331333133311211312111133132233131133133313233232331   <<    C313212111133131211331333133313331333112113121111331322331311331333132332323313   >>      C313212111133131211331333133313331333112113121111331322331311331333132332323312   >>