Texture uarrow = {
	 0x0180, 0x0240, 0x0420, 0x0810,
	 0x1008, 0x2004, 0x4002, 0x8001,
	 0xF00F, 0x1008, 0x1008, 0x1008,
	 0x1008, 0x1008, 0x1008, 0x1FF8,
};
