sentences:  The Gladkaya Kacha is twice as long as the Krutaya Kacha; it starts in the middle mountainous area and has a deeper valley, while the Krutaya Kacha starts in the relatively flat and boggy area.Both streams flow from the range northward, cross the Trans-Siberian Railway, and join together.Then the river turns eastward near the settlement of Pamyati 13 Bortsov and completes the half loop by turning back southwards to the Yenisey.