C13223313311212111133133313331323133313331323131133131331123232331   >>    C1322331331121211113313331333132313331333132313113313133112323233   <<    C13223313311212111133133313331323133313331323131133131331123232333   >>      C13223313311212111133133313331323133313331323131133131331123232332   >>