 3              9              :<:
 4             16.0000000000000:!: 4              16.00001
 5             25              :<:
 7             49              :<:
 8             64              :!: 8              63.998
 9             81              :<:
                               :>: 12            144.0

+++  File "file1" differs from file "file2"
