C13223313311212111133133313331333133313231323133211113313113313111   >>    C1322331331121211113313331333133313331323132313321111331311331311   <<    C13223313311212111133133313331333133313231323133211113313113313113   >>      C13223313311212111133133313331333133313231323133211113313113313112   >>