LOWER HALF BLOCK
LOWER SEVEN EIGHTHS BLOCK
LEFT HALF BLOCK
LEFT THREE EIGHTHS BLOCK
RIGHT HALF BLOCK
DARK SHADE
QUADRANT UPPER LEFT
QUADRANT UPPER LEFT AND LOWER LEFT AND LOWER RIGHT
QUADRANT UPPER LEFT AND LOWER RIGHT
QUADRANT UPPER LEFT AND UPPER RIGHT AND LOWER LEFT
QUADRANT UPPER RIGHT AND LOWER LEFT