C312322331333132212111133133313331333131133113313331323231311211   >>    C31232233133313221211113313331333133313113311331333132323131121   <<    C312322331333132212111133133313331333131133113313331323231311213   >>      C312322331333132212111133133313331333131133113313331323231311212   >>