2	28	32	4830	sasaki	dummy	0	2007/2/1/20:12:45(130.34.95.30)	0
2	32	42	6909	beatrix	dummy	0	2007/2/2/15:2:31(172.16.44.131)	0
7	30	38	6909	beatrix	dummy	0	2007/2/7/14:16:30(172.16.44.131)	0
16	28	38	6909	komiya	dummy	0	2007/2/15/20:50:8(172.16.44.210)	0
23	28	38	4830	sasaki	dummy	0	2007/2/22/23:38:37(130.34.95.30)	0
28	30	40	6909	Liang	dummy	0	2007/2/28/10:46:40(172.16.44.142)	0