C111123313121111121111331333133313331333131233133313331313113323213321   >>    C11112331312111112111133133313331333133313123313331333131311332321332   <<    C111123313121111121111331333133313331333131233133313331313113323213323   >>      C111123313121111121111331333133313331333131233133313331313113323213322   >>