C111123313121111121111331333133313331333133313331333133313331322331312312321   >>    C11112331312111112111133133313331333133313331333133313331333132233131231232   <<    C111123313121111121111331333133313331333133313331333133313331322331312312323   >>      C111123313121111121111331333133313331333133313331333133313331322331312312322   >>