C111123313121111121111331333133313331333131233133313232212113231   >>    C11112331312111112111133133313331333133313123313331323221211323   <<    C111123313121111121111331333133313331333131233133313232212113233   >>      C111123313121111121111331333133313331333131233133313232212113232   >>