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Problem Paradise

Retro Problems and Solutions

Solvers are welcome to send their (possibly partial) solutions to the editor:

  Tadashi Wakashima
  email: tadashi@wombat.zaq.ne.jp

Authors may send their original problems to the retros-editor:

  Satoshi Hashimoto
  email: hashi-s(at)juno.ocn.ne.jp

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