3704 M1931 B-4 Howitzer

Steps 1, 2a, 2, 3, 4a, 4
0:45 hours spent 

Steps 13a, 13, 14a, 14, 15, 17, 18
1:00 hours spent 

Steps 19a, 19 (not full), 20a, 20b, 20
0:20 hours spent 

Steps 16a, 16, 19 (completed), 21a, 21
0:45 hours spent 

Steps 22, 23a, 23, 24a, 24, 25a, 25, 26a, 26
1:30 hours spent 

Steps 27a, 27b, 27c, 27d, 27, 28a, 28b, 28, 29(not full), 32a, 32b, 32(not full)
1:15 hours spent 

Steps 30a, 30, 31, 32c
0:50 hours spent 

Steps 5a, 5, 6, 7a, 7, 8, 11a, 29a, 29b, 32
1:10 hours spent 

Steps 9a, 9b, 9c, 9, 10a, 10b, 10, 11, 12
0:45 hours spent