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This is the largest puzzle ever made by Stewart. The thirty pentagonal sticks are pinned with seven holes in each stick. He made 20 in 1987 and 1988. Number 80 in his numbering system. The bottom photograph shows a version pinned with five holes in each stick. It is number 80A in his numbering system and he made 1 in 1988. A three hole version was also made.
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