Hitori

Shade cells so no number repeats in a row or column; shaded cells never touch, and the rest stay connected.

Rules

  1. Shade cells so no number repeats in any row or column.

    1121
    ✓ No repeats
    1121
    ✗ 1 repeats
  2. Shaded cells never share a side (corners are fine).

    1121
    ✗ Side by side
  3. The white cells all stay connected.

    1121
    ✓ Connected
    1121
    ✗ Cut apart

Example: Odd One Out

2142312241432155552354132
The puzzle
2142312241432155552354132
Solved

Playing here: Tap a number to shade it, again for a dot (keep), again to clear.

Play Odd One Out