C312322331333132212111133131133133313331323231311331323112113121121   >>    C31232233133313221211113313113313331333132323131133132311211312112   <<    C312322331333132212111133131133133313331323231311331323112113121123   >>      C312322331333132212111133131133133313331323231311331323112113121122   >>