LO-IV-191H 30-km Debes is the uppermost crater in this grouping, with 43-km Tralles to the right of center. Between them, below Debes, is 33-km Debes A, and to its left, the polygonal 19-km Debes B. The 11-km circular crater in the lower left is Tralles B. The rugged inner wall of the west rim of 125-km Cleomedes looms on the far right.