Methods and apparatus for segmenting lines in programmable logic devices having redundancy circuitry. Individual gaming spaces, each representing an outcome associated with play of a game, are divided into selection spaces. The EPP system may also identify potential problems in the EEDCS for correction. In addition, the devices may be used to sample tissue during biopsy or other medical procedures where perforating a blood vessel could result in injury to a patient. A snap-in arrangement may be provided in a boot toe region.