C13223313311212111133133313331333133313232233133313121111133313231321221   >>    C1322331331121211113313331333133313331323223313331312111113331323132122   <<    C13223313311212111133133313331333133313232233133313121111133313231321223   >>      C13223313311212111133133313331333133313232233133313121111133313231321222   >>