C1111121111331311211331333133313331333133313221211113313132322231   >>    C111112111133131121133133313331333133313331322121111331313232223   <<    C1111121111331311211331333133313331333133313221211113313132322233   >>      C1111121111331311211331333133313331333133313221211113313132322232   >>