C13332313311211113313331333133313331323132233133313332313331221   >>    C1333231331121111331333133313331333132313223313331333231333122   <<    C13332313311211113313331333133313331323132233133313332313331223   >>      C13332313311211113313331333133313331323132233133313332313331222   >>