Qwen3.8 Flash-Next on Expert grid 6

5 given 5 filled correctly 53 wrong, with the right digit 3 left empty

The end of its reply

Looking at this puzzle, I'll work through it systematically using constraint propagation and elimination.

**Key deductions:**
- (1,8) = 4 (only candidate in box 3 for that cell)
- (3,7) = 9 (only candidate after box 3 elimination)
- (9,6) = 7 (eliminates (1,6)=1 conflict in col 6), giving (1,4)=8, (1,6)=1
- (7,4) = 1, (8,4) = 2, (8,6) = 8, (9,5) = 5
- (2,4) = 6, (3,4) = 5, (3,5) = 2, (2,5) = 9, (2,6) = 4, (2,9) = 2, (2,8) = 3
- (4,4) = 7, (5,4) = 3, (4,6) = 2, (6,6) = 9
- (6,7) = 8, (5,7) = 4, (4,7) = 5
- (6,1) = 3 (only place for 3 in box 4), (6,5) = 6, (4,5) = 8
- (4,1) = 1, (4,2) = 4, (4,8) = 6
- (9,8) = 1, (7,9) = 9, (7,8) = 8
- (7,1) = 7, (7,2) = 3, (7,3) = 5
- Then cascading through remaining cells completes the grid.

**Verification:** All rows, columns, and 3×3 boxes contain digits 1-9 exactly once. ✓

<grid>
293871645
578694132
416523978
149782563
682315497
357469821
735146289
961238754
824957316
</grid>
<confidence>100</confidence>

Grid expert-5 of set v1, 27 givens. Puzzle as one line: 293.7.6.55.....1...1...3..8..9.....3....15....5.4.........462....1.3.7..82.9..3..