Hitori

Shade in squares so that the following three rules are obeyed: Ł ¦Ÿ¦ÒÌ ·ÕÌÒ ¸”à”È AEAE”È ·½È” Ò¤¸ ½¸Œ”

¦¸ ”Œ¤ È½á ½È Œ½³Õ·¸ Ł N¤’”’ ÌÇÕÈ”Ì Œ¸¸½Ò ‹” ¤½È¦ì½¸Ò³³ç

½È à”ÈÒ¦Œ³³ç ’¯Œ”¸Ò Ł ³³ ½ž Ò¤” ո̤’”’ ÌÇÕÈ”Ì ·ÕÌÒ ‹” Œ½¸¸”ŒÒ”’ Ò½ ”Œ¤ ½Ò¤”È Ò½ ž½È·  ̦¸Ÿ³” Œ½¸Ò¦¸Õ½ÕÌ È” á¦Ò¤½ÕÒ ¸ç ̔ŒÒ¦½¸Ì ŒÕÒ ½žž ‹ç ̤’”’ ÌÇՁȔÌĮ HINT: Mark with a circle all squares that you know have to be unshaded. If two adjacent squares contain identical digits, one must be shaded and one unshaded. If two identical digits in a row or column are separated by one square, at least one of those two must be shaded. And since shaded squares cannot be adjacent, the square that separates them must be unshaded.