On or around line 1260 of lib/pr29.c, in the pr29_4 function.
for (i = 0; i < len; i++)
if ((row = first_column (in[i])) > 0)
for (j = i + 1; j < len; j++)
if (combinationclass (in[j]))
for (k = j + 1; k < len; j++)
if (in_last_column_row (in[k], row))
return PR29_PROBLEM;
The infinite loop occurs when the character is present in
combinationclass but the following character is *not* in
in_last_column_row.
I believe the "k" loop should be incrementing *k* not *j*.
--
Strange things are afoot at the Circle K.
Jon
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