Make Tech Easier published a tutorial about restoring Clonezilla backups to different partitions.

How to Restore Clonezilla Backups to Different Partitions

When using Clonezilla, it may not allow you to restore your backup to another partition. Here is the fix to get Clonezilla to restore to a different partition.

How to Restore Clonezilla Backups to Different Partitions - Make Tech Easier