x = [
	      54, 60, 66, 72, 81, 90, 96, 102,
	      108, 120, 132, 144, 162, 180, 192, 204,
	      216, 240, 264, 288, 324, 360, 384, 408,
	      432, 480, 528, 576, 648, 720, 768, 816,
	      864, 960, 1056, 1152, 1296, 1440, 1536, 1632,
	      1728, 1920, 2112, 2304, 2592, 2880, 3072, 3264,
	      3456, 3840, 4224, 4608, 5184, 5760, 6144, 6528,
	      6912, 7680, 8448, 9216, 10368, 11520, 12288, 528
];