Four of the eight Shoheki, No. 2, No. 5, No. 8 and No. 11, were assigned to the groups, however, the rest of four Shoheki were not assigned to any groups and never worked.
8面ある小壁については、2、5、8、11号の4面はそれぞれ担当が決まったが、残りの4面はどの班が担当するか未定のままで、結局着手されなかった。