C13223313311212111133133313331312111133132313232213331323211221   >>    C1322331331121211113313331333131211113313231323221333132321122   <<    C13223313311212111133133313331312111133132313232213331323211223   >>      C13223313311212111133133313331312111133132313232213331323211222   >>