Look at the sp and answer your own question. The broker to broker was to fill the 5.5M trade (buy).
I would also say the 2 x 1M trades are also buys.
Time MM Bid Offer Bid Sz. Offer Sz.
13:15 0.58 0.62
13:15 KBC 0.00 0.00 0 0
12:40 0.58 0.62
12:40 SCAP 0.00 0.00 0 0
12:37 SEYP 0.00 0.00 0 0
12:36 TEAM 0.00 0.00 0 0
12:36 0.58 0.62
12:36 WINS 0.00 0.00 0 0
12:22 WINS 0.58 0.68 100,000 100,000
12:22 0.58 0.62
12:22 SEYP 0.52 0.62 125,000 125,000
12:22 0.57 0.62
12:19 KBC 0.57 0.67 100,000 100,000
11:54 0.57 0.60
11:54 WINS 0.57 0.67 100,000 100,000
11:03 0.55 0.60
11:03 SEYP 0.50 0.60 125,000 125,000
11:02 SCAP 0.52 0.62 100,000 100,000
10:58 0.55 0.58
10:58 SCAP 0.48 0.58 100,000 100,000
10:58 KBC 0.55 0.65 100,000 100,000
10:46 WINS 0.55 0.65 100,000 100,000
10:46 TEAM 0.55 0.65 100,000 100,000
10:46 0.55 0.56
10:05 WINS 0.54 0.64 100,000 100,000
10:05 0.54 0.56
09:51 TEAM 0.53 0.63 100,000 100,000
09:49 WINS 0.53 0.63 100,000 100,000
09:49 0.53 0.56
07:58 SEYP 0.48 0.58 125,000 125,000
07:57 KBC 0.52 0.62 100,000 100,000
07:53 TEAM 0.52 0.62 100,000 100,000
07:52 0.52 0.56
07:52 SCAP 0.46 0.56 100,000 100,000
07:48 TEAM 0.52 0.62 100,000 100,000
07:48 0.52 0.62
07:48 WINS 0.52 0.62 100,000 100,000