C33331211113313331211113313331333133313223313311211113313222233133231   >>    C3333121111331333121111331333133313331322331331121111331322223313323   <<    C33331211113313331211113313331333133313223313311211113313222233133233   >>      C33331211113313331211113313331333133313223313311211113313222233133232   >>