C111123313121111121111331333133313331333133313331333131133132322331123231   >>    C11112331312111112111133133313331333133313331333133313113313232233112323   <<    C111123313121111121111331333133313331333133313331333131133132322331123233   >>      C111123313121111121111331333133313331333133313331333131133132322331123232   >>