CONCEPTIS SU­DOKU DAVE GREEN

Ottawa Citizen - - COMICS -

DIF­FI­CULTY LEVEL ★★★★★ To solve this num­ber-plac­ing puz­zle based on a 9x9 grid and with some given numbers, each 3x3 box, each row and each col­umn must con­tain all the numbers 1 to 9 — but with the same num­ber used only once in each box and row.

©CONCEPTIS PUZ­ZLES, DIST. BY KING FEA­TURES SYN­DI­CATE, INC. 11 /20

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