C13223313311212111133133313331333133313231323133211331333132323112121   >>    C1322331331121211113313331333133313331323132313321133133313232311212   <<    C13223313311212111133133313331333133313231323133211331333132323112123   >>      C13223313311212111133133313331333133313231323133211331333132323112122   >>