Sometimes, the random selector quickly advances to an odometer from which all further progress seems to be barred. Thus, all remaining search cycles are wasted searching and re-searching this impossible odo. There needs to be a way of detecting this impossible condition, and backing up a level.
In particular, this seems to always happen after one solution is found; a second solution is never found...
Sometimes, the random selector quickly advances to an odometer from which all further progress seems to be barred. Thus, all remaining search cycles are wasted searching and re-searching this impossible odo. There needs to be a way of detecting this impossible condition, and backing up a level.
In particular, this seems to always happen after one solution is found; a second solution is never found...