It seems that 43 BTC buy wall has been eaten up in a single trade:
2014-05-27 16:36:40 SELL 0.01550000 2829.56673502 43.85828439
another 53 BTC wall has been placed after that 44 BTC wall got eaten.
Edit: It's being eaten up, downed from 53 to 29.
What a good show, indeed.