• There are 8 houses in a row labeled as #1 - #8. Each house has a letter in it;
• There are 8 observers: Morse, Braille, NATO, Semaphore, Keyboard, Element, Pigpen, and Scrabble.
• Morse: The two houses I observed are neighbors; They are inverted in my eyes;
• Braille: The two houses I observed are separated by one house; They are horizontally mirrored (vertical mirror line) in my eyes;
• NATO: The two houses I observed are separated by two houses; They are off by one in length in my eyes;
• Semaphore: The two houses I observed are separated by two houses; They are vertically mirrored (horizontal mirror line) in my eyes;
• Keyboard: The two houses I observed are separated by one house; They are neighbors in my eyes;
• Element: I observed house #1 and another house; They are off by two in my eyes;
• Pigpen: The two houses I observed are neighbors; They are horizontally mirrored (vertical mirror line) in my eyes;
• Scrabble: The two houses I observed are neighbors; They are both scored 1 in my eyes.
• Each house was observed at least once;
• There's one house only observed by Pigpen;
• There're 7 distinct letters in the houses;
• There's an R;
• The letter in the least observed house appears in another house;
• Most observed house and least observed house have different letters.
• Morse and Braille observed 4 different houses;
• Semaphore & Scrabble observed 4 different houses;
• Both Morse & Keyboard observed house #3;
• Both Braille & Scrabble observed house #6;
• Both Element & Semaphore observed house #7.
• The highest Scrabble score of these letters are exactly the same as the NATO length of the letter in the most observed house, which was not observed by NATO.