C132233133112121111331333133313231333133313231311331333131221311312131   >>    C13223313311212111133133313331323133313331323131133133313122131131213   <<    C132233133112121111331333133313231333133313231311331333131221311312133   >>      C132233133112121111331333133313231333133313231311331333131221311312132   >>