C13332313311211113313331333133313331323132233132313331311222233231   >>    C1333231331121111331333133313331333132313223313231333131122223323   <<    C13332313311211113313331333133313331323132233132313331311222233233   >>      C13332313311211113313331333133313331323132233132313331311222233232   >>