"ts","dur","part","a","b" | |
100,150,1,111,111 | |
250,50,1,111,"[NULL]" | |
300,100,1,111,222 | |
400,100,1,111,333 | |
500,150,1,111,333 | |
500,50,3,222,333 | |
500,100,4,333,333 | |
0,50,5,444,"[NULL]" | |
50,200,5,444,111 | |
250,50,5,444,"[NULL]" | |
300,100,5,444,222 | |
400,250,5,444,333 | |
650,350,5,444,"[NULL]" |