C111123313121111121111331333133313331323231333133313331333131232312323221   >>    C11112331312111112111133133313331333132323133313331333133313123231232322   <<    C111123313121111121111331333133313331323231333133313331333131232312323223   >>      C111123313121111121111331333133313331323231333133313331333131232312323222   >>