 3              9               :<:
 4             16.00000000000000:!: 4              16.00001
 5             25               :<:
 7             49               :<:
 8             64               :!: 8              63.998
 9             81               :<:
                                :>: 12            144.0

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