C313212111113331323312111133133313331333131212111133133313232233313232311   >>    C31321211111333132331211113313331333133313121211113313331323223331323231   <<    C313212111113331323312111133133313331333131212111133133313232233313232313   >>      C313212111113331323312111133133313331333131212111133133313232233313232312   >>