C312322331333132212111133133313331333133312121111331312111133223331311211   >>    C31232233133313221211113313331333133313331212111133131211113322333131121   <<    C312322331333132212111133133313331333133312121111331312111133223331311213   >>      C312322331333132212111133133313331333133312121111331312111133223331311212   >>