C313212111113331323312111133133313331333131212111133133313133313331333132232311   >>    C31321211111333132331211113313331333133313121211113313331313331333133313223231   <<    C313212111113331323312111133133313331333131212111133133313133313331333132232313   >>      C313212111113331323312111133133313331333131212111133133313133313331333132232312   >>