-4	20	28	6909	tanikawa	dummy	0	2017/9/1/18:39:23(130.34.32.80)	0	2017/9/4/9:27:41(130.34.32.80)
4	20	21	6909	tanikawa	dummy	0	2017/9/1/18:39:23(130.34.32.80)	0
4	33	42	6909	tanikawa	dummy	0	2017/9/4/16:52:59(130.34.95.37)	0
14	28	36	4119	nakamura	dummy	0	2017/9/13/17:2:53(130.34.74.220)	Si
19	18	28	4119	nakamura	dummy	0	2017/9/15/17:22:58(130.34.95.37)	Si