We need a systematic solve, but in story form, Riya realizes: “The star Latin square is the key. Let’s assume star positions.”
Clue 7: (E4, E5) difference 2 → possible pairs: (1,3),(2,4),(3,1),(3,5),(4,2),(5,3). Elites Grid LRDI 2023 Matrix Arrangement lesson...
After 20 minutes of elimination (details omitted for brevity, but in a real LRDI, you’d use a 5x5 table and test constraints), the unique solution emerges: We need a systematic solve, but in story
Clue 1: (A1, A2) sum to 6. Possible pairs: (1,5), (2,4), (3,3), (4,2), (5,1). But clue 2 says A2 and A3 share the same symbol. Not yet a number lock. We need a systematic solve