Grid: 159, 18, 162, 21|162, 18, 165, 21|165, 18, 168, 21|138, 48, 141, 51|138, 51, 141, 54|153, 54, 156, 57|156, 54, 159, 57|156, 57, 159, 60|159, 57, 162, 60|27, 150, 30, 153|30, 150, 33, 153|201, 150, 204, 153|204, 150, 207, 153|195, 153, 198, 156|198, 153, 201, 156|228, 159, 231, 162|18, 162, 21, 165|21, 162, 24, 165|57, 162, 60, 165|60, 162, 63, 165|228, 162, 231, 165