column_number,name,first_trace_number,last_trace_number
1,??,1,213735
1,2600:8805:d211:db12::1,213736,217846
2,2600:8805:d211:db12::1,1,126798
2,??,126799,213735
2,none,213736,217846
3,none,1,126798
3,??,126799,203971
3,2600:8805:d211:db12::1,203972,213735
3,none,213736,217846
4,none,1,126798
4,2600:8805:d211:db12::1,126799,170032
4,??,170033,203971
4,none,203972,217846
5,none,1,170032
5,2600:8805:d211:db12::1,170033,203971
5,none,203972,217846