Test papers for the annual college entrance exam have begun to be transported three days ahead of the test date. 

The Education Ministry said the distribution of the College Scholastic Ability Test(CSAT) question and answer sheets started at 7:30 a.m. Monday.

The exam papers will be transferred to 86 test zones across the nation by Wednesday and kept under tight security. They will be moved to about 13-hundred test sites in the morning of the exam on Thursday.  

About 400 people will be responsible for transporting the test papers, with police guarding the transport vehicles. A total of 509-thousand-821 people will take the test this year.