LinkedIn Mini Sudoku #111 (^Carets) - November 30, 2025: Step-by-Step 6x6 Sudoku Solution Guide

Welcome to the detailed solving walkthrough for the LinkedIn Mini Sudoku #111 (^Carets), a 6x6 number placement puzzle published on November 30, 2025. This Sudoku variant requires each row, column, and 2x3 box to contain all digits 1 through 6 exactly once. Starting with a few given clues, we logically deduce the missing numbers by focusing on the constraints in each unit.

The initial grid had these clues placed:

• Row 1 has a 1 in the first cell.
• Row 2 has a 4 in the second cell.
• Row 3 has a 2 in the first cell, a 4 in the fourth cell, and a 1 in the sixth cell.
• Row 4 has a 2 in the fifth cell.
• Row 5 has a 5 in the third cell.
• Row 6 has a 6 in the second cell and a 3 in the fourth cell.

Step-by-Step Reasoning

Row 1 Completion

Row 1 contains a 1 at the start. To complete the row, the digits 2, 3, 4, 5, and 6 need placement. Check columns and boxes to eliminate possibilities:

• Check 2 and 3 in columns and boxes: column 3 and the first 2x3 box both allow 3 and 6 as possible candidates initially.
• By scanning columns 2 to 6 and their respective boxes, it becomes clear that 3 and 6 must be placed in positions 2 and 3, filling the missing digits.
• Process of elimination for remaining cells leads to placing 2, 4, and 5 logically in sequence to satisfy unique digits rule.

Row 2 Progression

Row 2 starts with a 4 in the second cell. The remaining cells need 1, 2, 3, 5, and 6:

• Look at overlapping boxes and columns. For example, column 1 already has a 1, so 1 cannot be placed in cell 2,1.
• By cross-referencing box and column constraints, place numbers logically where they fit unique positions.

Row 3 Insight

Row 3 has three given numbers: 2, 4, and 1. The missing digits 3, 5, and 6 are assigned by analyzing columns and blocks:

• Look at columns 2 and 5 and their intersecting boxes. For example, column 5 already has a 2, ruling out certain spots.
• By elimination, 3, 5, and 6 are placed in cells that don't conflict with rows, columns, or boxes.

Row 4 Filling

Row 4’s only clue is a 2 in the fifth cell. The rest of the cells must be 1, 3, 4, 5, 6:

• Considering columns and boxes, certain numbers can only fit certain empty cells.
• Use naked singles and elimination to place the remaining digits accordingly.

Row 5 Completion

The third cell is 5. Missing digits for the row include 1, 2, 3, 4, and 6:

• Check columns and intersecting boxes to exclude impossible positions for each remaining number.
• Identify cells where only one digit can possibly go, placing those numbers first.

Row 6 Deduction

Two clues: 6 in the second cell and 3 in the fourth. Missing digits 1, 2, 4, and 5 are assigned:

• Check columns and boxes to see where these digits can go without violating Sudoku rules.
• Narrow down options to single candidates and fill cells progressively.

Techniques Used

• Process of Elimination: By ruling out digits already present in rows, columns, or boxes, we identify possible candidates.
• Naked Singles: When only one number can fit in a cell, it is filled immediately.
• Box and Column Intersections: Cross-checking among intersecting units provides clues for placement.
• Logical Deduction: Sequentially resolving cells reduces complexity step by step.

This strategic approach transforms the partially filled grid into a fully solved Sudoku while respecting each unit’s uniqueness constraints. For a guided perspective on the exact numbers in each cell, please refer to the complete solution page dedicated to this puzzle.

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