https://adventofcode.com/2020/day/13 Part 2.
I understand the problem sufficiently to solve the examples. I fear the run time of my program, which counts upward in increments of the maximum value starting from some residue, will take too long for the actual data. Please offer suggestions for a direct solution. Thanks, and be well. Dave. ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
