Β'-3 432, 433
Β'-3 434, 435
Β'-3 436, 437
Β'-3 438, 439
Trench 2. Trench 1. Trench 4. Trench 6. Trench 7. Trench 3'. Trench 3. Trench 5 ... Β'-3 440, 441 ... 2-14 Feb 1935
Β'-3