C33331211113313331211113313331333133313223313311211111311331323232133221   >>    C3333121111331333121111331333133313331322331331121111131133132323213322   <<    C33331211113313331211113313331333133313223313311211111311331323232133223   >>      C33331211113313331211113313331333133313223313311211111311331323232133222   >>