C13223313311212111133133313331333133313231323133211331322331121   >>    C1322331331121211113313331333133313331323132313321133132233112   <<    C13223313311212111133133313331333133313231323133211331322331123   >>      C13223313311212111133133313331333133313231323133211331322331122   >>