C313212111133131211331333133313331333132331121111331322121133131123313232232311   >>    C31321211113313121133133313331333133313233112111133132212113313112331323223231   <<    C313212111133131211331333133313331333132331121111331322121133131123313232232313   >>      C313212111133131211331333133313331333132331121111331322121133131123313232232312   >>