C13332313311211113313331333133313331323132233133311233132321123231   >>    C1333231331121111331333133313331333132313223313331123313232112323   <<    C13332313311211113313331333133313331323132233133311233132321123233   >>      C13332313311211113313331333133313331323132233133311233132321123232   >>