C111123313121111121111331333133313331333133313331333133313331322331313132311   >>    C11112331312111112111133133313331333133313331333133313331333132233131313231   <<    C111123313121111121111331333133313331333133313331333133313331322331313132313   >>      C111123313121111121111331333133313331333133313331333133313331322331313132312   >>