Rand Corp. 1M random digits

original file
digits only 1MB     100973253376520135863467
digits separated by space 2MB     1 0 0 9 7 3 2 5 3 3 7 6 5 2 0 1 3 5 8 6 3 4 6 7

C++ program to determine distribution of spacing of same digits
image of distro