. A square array of dots with 8 rows and 8 columns is given. Each dot is coloured either blue or red. Whenever two dots of the same colour are adjacent in the same row or column, they are joined by a line segment of the same colour as the dots. If they are adjacent but of different colours, they are then joined by a green line segment. In total, there are 28 red dots. There are 3 red dots at corners, With an additional 10 red dots on the edges of the array. The remainder of the red dots are inside the array. There are 56 green line segments. How many blue line segments are there