C13223313311212111133133313331333133313231323133211331323331313331   >>    C1322331331121211113313331333133313331323132313321133132333131333   <<    C13223313311212111133133313331333133313231323133211331323331313333   >>      C13223313311212111133133313331333133313231323133211331323331313332   >>