2024-01-15 10:00:00 INFO First valid line
2024-01-15 10:00:05 DEBUG Second valid line
2024-01-15 10:00:10 WARN Third valid line with whitespace around
2024-01-15 10:00:15 ERROR Fourth valid line after tabs
2024-01-15 10:00:20 INFO Fifth valid line
2024-01-15 10:00:25 INFO Sixth valid line after many blanks
2024-01-15 10:00:30 CRITICAL Last valid line