Comment 28 for bug 1816018

When clicking "constructionsite" in the building's debug window:

MO(1114,constructionsite): this: 0x614000008240
MO(1114,constructionsite): owner_: 0x6190002d3280
MO(1114,constructionsite): player_number: 2
MO(1114,constructionsite): economy_: 0x61200017ddc0
MO(1114,constructionsite): position: (50, 21)
MO(1114,constructionsite): flag: 0x613000042680
MO(1114,constructionsite): * position: (51, 22)
MO(1114,constructionsite): anim: idle
MO(1114,constructionsite): animstart: 246914
MO(1114,constructionsite): leave_time: 246914
MO(1114,constructionsite): leave_queue.size(): 0
MO(1114,constructionsite): leave_allow.get(): (nil)
MO(1114,constructionsite): Input queue for: granite
MO(1114,constructionsite): Input queue for: log
Transfer: Route has 3 steps: (46,24) (47,23) (49,22)
MO(1114,constructionsite): Input queue for: planks

When clicking on "Flag" in the the flag's debug window:

MO(946,flag): Flag at 46,24
MO(946,flag): this: 0x613000043f00
MO(946,flag): owner_: 0x6190002d3280
MO(946,flag): player_number: 2
MO(946,flag): economy_: 0x61200017ddc0
MO(946,flag): Wares at flag:
MO(946,flag): 1/8: log(879), nextstep 945 == flag 945 @ (47,23), acked by carrier
 Transfer: Empty route
MO(946,flag): 2/8: log(1402), nextstep 953 == flag 953 @ (45,26), acked by carrier
 Transfer: Route has 9 steps: (46,24) (45,26) (46,28) (47,29) (49,30) (51,30) (50,32) (51,34) (52,33)

The building's log has a transfer route that starts at the flag 46,24
The log at that flag has an empty route