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(Published yesterday, 05:30 by Sotehr)

RULES

Sudoku

Normal Sudoku rules apply; place the digits 1-9 once in every row, column, and 3x3 box.

Orange Jack-o’-Lantern

A digit N in an orange jack-o’-lantern means that there must be exactly N digits LESS THAN or equal to N in the up to 9 cells centered on it, including itself.

White Jack-o’-Lantern

A digit N in a white jack-o’-lantern means that there must be exactly N digits GREATER THAN or equal to N in the up to 9 cells centered on it, including itself.

Example

A 4 in an orange jack-o’-lantern at r1c4 is centered on the 6 cells r1c3–r1c5 and r2c3–r2c5. Exactly four of those six cells, including the 4 itself, must be from {1,2,3,4}.

Expected Difficulty: 3.5

NOTES

Happy Halloween! You can play the graphic-free version here.

Solution code: Column 6, top to bottom.

Last changed on -

Solved by FIT7Y, aqjhs, MattYDdraig, GorgeousNicko, Vythic, TVDK, ThePedallingPianist

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