function checkGridSize() {
  if(GRID_SIZE > 5) console.error('Grid size cannot be greater than 5');
  if(GRID_SIZE < 3) console.error('Grid size cannot be less than 3');
  if(GRID_SIZE % 2 === 0) console.error('Grid size cannot be even');
}
A Pipes Puzzle!! Use WASD to move the cursor around and
use L to rotate the pipe. The goal is to connect all the
pipes in the square. Connected pipes are indicated by a
blue background. All levels are random and solvable!

GLHF :D

Press J to create a new level!