C312322331333132212111133133313331312111133132313113313232311331   >>    C31232233133313221211113313331333131211113313231311331323231133   <<    C312322331333132212111133133313331312111133132313113313232311333   >>      C312322331333132212111133133313331312111133132313113313232311332   >>