Morpion Solitaire 5D: a new upper bound 121 on the maximum score

  title={Morpion Solitaire 5D: a new upper bound 121 on the maximum score},
  author={Akitoshi Kawamura and Yuichi Tatsu and Yushi Uno and Masahide Yamato},
  journal={Inf. Process. Lett.},

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