C1111121111331311211331333133313113313331322231333133313221123231   >>    C111112111133131121133133313331311331333132223133313331322112323   <<    C1111121111331311211331333133313113313331322231333133313221123233   >>      C1111121111331311211331333133313113313331322231333133313221123232   >>