C312322331333132212111133133313331333133312121111331121133133313123111   >>    C31232233133313221211113313331333133313331212111133112113313331312311   <<    C312322331333132212111133133313331333133312121111331121133133313123113   >>      C312322331333132212111133133313331333133312121111331121133133313123112   >>