C13223313311212111133133313331323133313331323131133131133132223131221211   >>    C1322331331121211113313331333132313331333132313113313113313222313122121   <<    C13223313311212111133133313331323133313331323131133131133132223131221213   >>      C13223313311212111133133313331323133313331323131133131133132223131221212   >>