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

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