C13223313311212111133133313331323133313331323121111331311132233132313112121   >>    C1322331331121211113313331333132313331333132312111133131113223313231311212   <<    C13223313311212111133133313331323133313331323121111331311132233132313112123   >>      C13223313311212111133133313331323133313331323121111331311132233132313112122   >>