C13223313311212111133133313331333133313231323133211331323211231111   >>    C1322331331121211113313331333133313331323132313321133132321123111   <<    C13223313311212111133133313331333133313231323133211331323211231113   >>      C13223313311212111133133313331333133313231323133211331323211231112   >>