DA_2303
DA_2303
      6/7()  8!  !   29?    2,900!    ...
[] / # # # #
      6/7()  8!  !   29?    2,900!    ...
DA_2303
DA_2303
 ,   !
 ,   !
[] / # # # #
[] / # # # #
 ,   !
      6/7()  8!  !   29?    2,900!    ...
[]  / # / # / # / # / #