─────╷────────── $𝖈𝖉𝖐𝖚/𝖈𝖆𝖑𝖈𝖚𝖉𝖔𝖐𝖚-𝖗𝖚𝖑𝖊𝖘.𝖘𝖆𝖕𝖕𝖍𝖎𝖗𝖊 ──────────────────────────────────────────────────────

    0┊--------------------------------| Calcudoku Rules in Sapphire |---------------------------------

    1┊--|∙An∙n×n∙grid∙of∙cells                                                                       

    2┊--|∙Each∙cell∙is∙to∙be∙filled∙with∙a∙number∙from∙{1⋯n}∙so∙that∙each∙row,                       

    3┊--|∙column∙and∙block∙have∙the∙complete∙range∙with∙no∙repeats.                                  

    4┊                                                                                               

    5┊Idx={0⋯n⨫1}^2                                                                                  

    6┊∀⟨a∙b⟩∈Idx                                                                                     

    7┊∙∙⦗sol∙a∙b⦘∈{1⋯n}                                                                              

    8┊∙∙∀⟨c∙d⟩∈Idx                                                                                   

    9┊∙∙∙∙⦗sol∙a∙b⦘=⦗sol∙c∙d⦘∙⇒∙a=c∧b=d∙∨∙a¬=c∧b¬=d                                                  

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