-23	34	38	7359		dummy	0	2007/5/23/15:57:29(130.34.66.225)	0	2007/5/23/15:57:42(130.34.66.225)
-24	34	38	7359	AKAO	dummy	0	2007/5/23/15:58:11(130.34.66.225)	0	2007/5/24/12:46:37(130.34.66.224)
25	23	31	6937	H.Kikuchi	dummy	0	2007/5/25/11:22:3(130.34.95.43)	0
25	31	37	6937	H.Kikuchi	dummy	0	2007/5/25/14:57:48(172.16.44.132)	0
28	20	36	6937	H.Kikuchi	dummy	0	2007/5/28/10:10:13(130.34.95.43)	0