C312322331333132212111133133313331333131133113313331333231313111   >>    C31232233133313221211113313331333133313113311331333133323131311   <<    C312322331333132212111133133313331333131133113313331333231313113   >>      C312322331333132212111133133313331333131133113313331333231313112   >>