C312322331333132212111133133313331333133312121111331333112331333133313221311111   >>    C31232233133313221211113313331333133313331212111133133311233133313331322131111   <<    C312322331333132212111133133313331333133312121111331333112331333133313221311113   >>      C312322331333132212111133133313331333133312121111331333112331333133313221311112   >>