34. The non-transitory computer-readable medium of claim 33 , wherein the LD and the LD/OCR-Key critical paths associated with the LD trellis and the LD/OCR-Key trellis are constructed concurrently.
35. The non-transitory computer-readable medium of claim 34 , wherein the smallest set of errors is a function of the LD and LD/OCR-Key critical paths.