C132233133112121111331333133313231333133313231311331333131112112321111   >>    C13223313311212111133133313331323133313331323131133133313111211232111   <<    C132233133112121111331333133313231333133313231311331333131112112321113   >>      C132233133112121111331333133313231333133313231311331333131112112321112   >>