pixel_at(499,393).should_be_of_color 0xffffff
pixel_at(525,381).should_be_of_color 0xffffff
pixel_at(545,376).should_be_of_color 0xffffff
- pixel_at(415,278).should_be_of_color 0xffffff
pixel_at(409,271).should_be_of_color 0xffffff
pixel_at(432,256).should_be_of_color 0xffffff
pixel_at(440,250).should_be_of_color 0xffffff