C13223313311212111133133313331333133313231323133211331323331323132333132313111   >>    C1322331331121211113313331333133313331323132313321133132333132313233313231311   <<    C13223313311212111133133313331333133313231323133211331323331323132333132313113   >>      C13223313311212111133133313331333133313231323133211331323331323132333132313112   >>