C13332313311211113313331333133313331323132233133313331333133313222232221   >>    C1333231331121111331333133313331333132313223313331333133313331322223222   <<    C13332313311211113313331333133313331323132233133313331333133313222232223   >>      C13332313311211113313331333133313331323132233133313331333133313222232222   >>