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| session_id | step | device |
|---|---|---|
| 350bca | step1 | desktop |
| 350bca | step2 | desktop |
| 350bca | step3 | desktop |
| 350bca | step4 | desktop |
| 351acc | step1 | mobile |
| 351acc | step2 | mobile |
| 351acc | step3 | mobile |
| 351acc | step4 | mobile |