LS-005

Find the next letter: H – J – L – N – P – ?

Rule: Take every 2th letter in the alphabet.

So the next letter is R.

• Picking the first pattern you see without checking it against all rows/columns.
• Ignoring the simplest rule (counts, rotations, alternations) and jumping to a complex story.
• Not testing your rule on the middle row/column (where many puzzles “break” bad rules).