Tag Archives: SK loop

HM and SK Loops of the HM Easter Monster


Hanson and Marans’ four slink loops were derived by the “double nasty” trial loops of the previous post. Here we follow up on two rounds of removals. The identical “opening volley” is obtained by the corresponding SK loop, also displayed … Continue reading

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The Hanson Marans Easter Monster


This post begins a review of a web article by Bob Hanson and Dave Marans posted in March of 2008, entitled Solution of the Easter Monster Puzzle: Formal Logic and Number Pair Chains. The puzzle contains an SK loop, but … Continue reading

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The Snake Attacks Easter Monster


This time we review the implications of Sudoku Snake’s naked double loop attack on Easter Monster. It is posed as an independent method of attack, i.e. one that is not dependent of the EM distribution of given clues.  But is … Continue reading

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Steve’s Opening Volley on the Easter Monster


This post reviews an  opening  salvo of eliminations on the Easter Monster.  The same attack has been reported in a several very different ways on Sudoku web sites. In the coming posts, the opening attack is analyzed, and the crippled … Continue reading

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