// 'test_pattern', 32x24px
333300ff333300ffcccc00ffcccc00ff333300ff333300ffcccc00ffcccc00ff333300ff333300ffcccc00ffcccc00ff0f0f7fff0f0fbfff0f0fdfff0f0fefff0f0ff7ff0f0ffbff0f0ffdff0f0ffeff0f0fff7f0f0fffbf0f0fffdf0f0fffee