The file you are now reading is 0005INDX.TXT. It lists and describes each file in this directory. The file 00SOCCOL.BAS contains the source code published in the Sep/Oct 2000 Computer Column of _The Cryptogram_. This source code has been extended here to include twelve standard routes. This program is executable using the QBasic interpreter. The file 00ISSU05.ZIP contains the files in this directory. The .ZIP was created under MS-DOS and its files are in DOS ascii text format.