Seating arrangement, linear and circular

A fixed procedure for filling the grid, and the left-right rule that decides circles.

15 min read · Lesson 5 of 6 · Pro

The procedure

Seating puzzles are about order of work, not cleverness. Follow this every time.

Step 1. Draw the seats and number them. For a row, 1 to n from the left. For a circle, mark n points numbered clockwise.

Step 2. Note who faces where. In a row, "facing north" means you and the seated people share the same left and right. "Facing south" flips them.

Step 3. Sort the clues. Definite clues first — "R is third from the left", "P is at the extreme end". These fix a seat. Relative clues second. Negative clues such as "S is not next to T" last, because they place nobody and only remove options.

The rest of this lesson is Pro

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