YSC1790192XXX timeline

Mailed out through USPS priority mail: April 13th.
Case Received: April 18th.
Check cashed: April 19th.
Notice Date: April 21st.
Notice Received(By me): May 1st. (我们学校统一用ISSS地址，应该较早就收到receipt了， ISSS较忙所以今天才扫描发给了我。)

有相近时间段的同学请跟帖大家一起等。