css buyers/sellers, page-8

Can anybody explain these trades?

All cross trades so I suspect it might be some shares changing hands between brokers but why in such small parcels?

Thanks in advance.

Trade of CSS occurring on Friday, 15 Jan 2010
52 Week
Time Price Volume Value Condition
11:31:06 AM 0.290 331 95.99 XT
11:28:05 AM 0.290 330 95.70 XT
11:25:05 AM 0.290 327 94.83 XT
11:22:05 AM 0.290 326 94.54 XT
11:19:06 AM 0.290 325 94.25 XT
11:16:05 AM 0.290 327 94.83 XT
11:15:37 AM 0.285 7,000 1,995.00
11:13:06 AM 0.290 327 94.83 XT
11:10:05 AM 0.290 330 95.70 XT
11:09:37 AM 0.290 32,457 9,412.53
11:09:24 AM 0.290 28,000 8,120.00
11:07:06 AM 0.290 325 94.25 XT
11:05:32 AM 0.290 2,100 609.00
11:04:46 AM 0.285 17,543 4,999.76
11:04:05 AM 0.290 330 95.70 XT
11:01:06 AM 0.290 328 95.12 XT
10:58:05 AM 0.290 327 94.83 XT
10:55:06 AM 0.290 330 95.70 XT
10:52:06 AM 0.290 328 95.12 XT
10:49:48 AM 0.290 53,520 15,520.80