I want to tell you a trivia about Japanese.
'々' is called '同の字点(どうのじてん)'.It means repetation.
For example, the name '佐々木' is read 'ささき'.'段々' means 'gradually', and is read 'だんだん'.
ちょっとした日本語講義でした^^どなたか、読んで下さる方がいらっしゃれば幸いです!