/* XPM */
static char *checker[] = {
/* width height num_colors chars_per_pixel */
"    40    40        2            1",
/* colors */
". c white",
"# c black",
/* pixels */
"..........##########..........##########",
"..........##########..........##########",
"..........##########..........##########",
"..........##########..........##########",
"..........##########..........##########",
"..........##########..........##########",
"..........##########..........##########",
"..........##########..........##########",
"..........##########..........##########",
"..........##########..........##########",
"##########..........##########..........",
"##########..........##########..........",
"##########..........##########..........",
"##########..........##########..........",
"##########..........##########..........",
"##########..........##########..........",
"##########..........##########..........",
"##########..........##########..........",
"##########..........##########..........",
"##########..........##########..........",
"..........##########..........##########",
"..........##########..........##########",
"..........##########..........##########",
"..........##########..........##########",
"..........##########..........##########",
"..........##########..........##########",
"..........##########..........##########",
"..........##########..........##########",
"..........##########..........##########",
"..........##########..........##########",
"##########..........##########..........",
"##########..........##########..........",
"##########..........##########..........",
"##########..........##########..........",
"##########..........##########..........",
"##########..........##########..........",
"##########..........##########..........",
"##########..........##########..........",
"##########..........##########..........",
"##########..........##########.........."
};