C212313222213113313112113121111331323132233133313223313113313331211113322331   >>    C21231322221311331311211312111133132313223313331322331311331333121111332233   <<    C212313222213113313112113121111331323132233133313223313113313331211113322333   >>      C212313222213113313112113121111331323132233133313223313113313331211113322332   >>