trial	time
A	"""2005-10-23 2:23:6"""
A	"""2005-10-23 3:16:17"""
A	"""2005-10-23 3:2:56"""
A	"""2005-10-23 2:45:0"""
A	"""2005-10-23 4:4:42"""
A	"""2005-10-23 2:56:25"""
A	"""2005-10-23 3:12:28"""
A	"""2005-10-23 1:57:12"""
B	"""2005-10-23 2:22:22"""
B	"""2005-10-23 1:42:7"""
B	"""2005-10-23 2:31:17"""
B	"""2005-10-23 3:15:16"""
B	"""2005-10-23 2:28:4"""
B	"""2005-10-23 1:55:34"""
B	"""2005-10-23 2:17:7"""
B	"""2005-10-23 1:48:48"""