C13332313311211113313331333133313331323132233132313231333133313331   >>    C1333231331121111331333133313331333132313223313231323133313331333   <<    C13332313311211113313331333133313331323132233132313231333133313333   >>      C13332313311211113313331333133313331323132233132313231333133313332   >>