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    \$\begingroup\$ I haven't tested (we don't have any information to test any answers), but I expect using short instead of int for the lookup table to be slightly better. \$\endgroup\$ Commented Apr 8, 2021 at 16:36
  • \$\begingroup\$ I like this one. \$\endgroup\$
    – Tony Ennis
    Commented Apr 8, 2021 at 20:46