// Algo to find loop of particular colour



Initialise visited[][] to false

while there is an unvisited tile <x,y> {
	// Record the starting tile
	set x0 := x;
	set y0 := y;
	set e := pick an edge of the desired colour;
	loopSize := 0;
	while (still on board && current tile still has edges this colour) {
		// if appropriate edge of this tile is of wrong colour; break;
		// if current tile has no lines of this colour break - not a loop; break;
		// if current tile is off the board, not a loop; break;
		// if current tile has already been visited, not a loop; break;
		// mark current tile as visited
		visited[x][y] = true;
	
		// find the next tile <x1, y1> based on the edge details for this tile

		// set x:=x1, y:=y1
		// loopSize++;
		
		// if we have reached the starting point (x==x0) & (y==y0) {
			// record the length of this loop
			// break from inner while
		}
			
	}
}
		
	





orientation of this tile is boardOrient[x][y]

// two cases: in violation, not in violation