C313212111133131211331333133313331333133313331333133313331333132331213311   >>    C31321211113313121133133313331333133313331333133313331333133313233121331   <<    C313212111133131211331333133313331333133313331333133313331333132331213313   >>      C313212111133131211331333133313331333133313331333133313331333132331213312   >>