-21	27	31	4119	nagai	dummy	0	2015/8/18/17:54:4(130.34.74.220)	0	2015/8/20/12:47:7(130.34.74.220)
28	19	24	4119	takaohashi	dummy	1	2015/8/28/9:21:30(130.34.63.131)	0