                              :>:  3              9
4              16.00001       :!:  4             16.000000000000
                              :>:  5             25       
                              :>:  7             49
8              63.998         :!:  8             64
                              :>:  9             81
12            144.0           :<:

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