▁batt al ions ( 5 , 5 5 0 + ▁rif les ), ▁ 3 2 ▁machine ▁guns ▁ 2 0 1 st ▁Infantry ▁Brigade ( G erman ) ▁– ▁ 7 ▁batt al ions , ▁ 7 4 ▁machine ▁guns ▁ 3 / 7 ▁Infantry ▁Brigade ▁– ▁ 4 ▁batt al ions ( 2 8 0 0 ▁rif les ), ▁ 2 2 ▁machine ▁guns ▁ 1 8 th ▁Art illery ▁Regiment ▁– ▁ 2 0 ▁guns ▁ 1 0 th ▁Art illery ▁Regiment ( G erman ) ▁– ▁ 2 6 ▁guns , ▁ 4 ▁mort ars ▁Div is ional ▁Reserve ▁– ▁ 2 ▁batt al ions ( G erman ), ▁ 6 ▁machine ▁guns ▁▁ 2 2 nd ▁German - B ul gar ian ▁Infantry ▁Brigade ▁( von ▁Re uter ) ▁ 4 2 nd ▁Infantry ▁Regiment ( G erman ) ▁– ▁ 2 ▁batt al ions , ▁ 3 9 ▁machine ▁guns ▁ 4 4 th ▁Infantry ▁Regiment ▁– ▁ 3 ▁batt al ions ( 2 , 6 0 0 ▁rif les ), ▁ 1 6 ▁machine ▁guns ▁ 2 8 th ▁Infantry ▁Regiment ▁– ▁ 3 ▁batt al ions ( 2 , 3 0 0 ▁rif les ), ▁ 1 6 ▁machine ▁guns ▁German ▁Art illery ▁Group ▁– ▁ 1 6 ▁guns ▁Bulgar ian ▁Art illery ▁Group ▁– ▁ 2 8 ▁guns ▁ ▁Total ▁first - line ▁troops ▁– ▁ 3 0 ▁batt al ions , ▁ 2 0 5 ▁machine ▁guns , ▁ 9 0 ▁guns ▁▁▁