C13223313311212111133133313331333133313231323133211331333132313132231211   >>    C1322331331121211113313331333133313331323132313321133133313231313223121   <<    C13223313311212111133133313331333133313231323133211331333132313132231213   >>      C13223313311212111133133313331333133313231323133211331333132313132231212   >>