6×6 NaYBR
Color all of the boxes in this grid either Yellow, Blue
or Red. Some of the boxes have clues like Y2, B3 or
R0. These clues mean the box has 2 yellow neighbors,
3 blue neighbors, or no red neighbors. Two boxes are
neighbors if they share an edge, not just a corner.
All of the boxes of each color must be connected.
The Puzzle goes here