C13223313311212111133133313331333133313232233133313331333212331311211331322121   >>    C1322331331121211113313331333133313331323223313331333133321233131121133132212   <<    C13223313311212111133133313331333133313232233133313331333212331311211331322123   >>      C13223313311212111133133313331333133313232233133313331333212331311211331322122   >>