How to use "blindly" in a sentence

Jean Valjean left the town and ran into the countryside, blindly following lanes and paths, not realizing that he was running in circles

He walked blindly downwards in this way for a long time, his clothes wet with the blood from Marius's wound, the faint whisper of the young man's breath in his ear

These continued for a quarter of an hour, firing blindly at Martians too far away to be seen

And instead of rushing around blindly, we've got to change to suit the new situation

It seemed that it had been driven blindly straight at the house, and had been turned over when the house fell on it.