C13223313311212111133133313331323133313331323131133131133133311232121221   >>    C1322331331121211113313331333132313331333132313113313113313331123212122   <<    C13223313311212111133133313331323133313331323131133131133133311232121223   >>      C13223313311212111133133313331323133313331323131133131133133311232121222   >>