C13332313311211113313331333133313331323132233133313223311232313121   >>    C1333231331121111331333133313331333132313223313331322331123231312   <<    C13332313311211113313331333133313331323132233133313223311232313123   >>      C13332313311211113313331333133313331323132233133313223311232313122   >>