RIGHT HALF BLOCK
LOWER ONE QUARTER BLOCK
LOWER THREE QUARTERS BLOCK
LEFT FIVE EIGHTHS BLOCK
LIGHT SHADE
QUADRANT UPPER LEFT
QUADRANT UPPER LEFT AND LOWER RIGHT
QUADRANT UPPER LEFT AND UPPER RIGHT AND LOWER LEFT
QUADRANT UPPER LEFT AND UPPER RIGHT AND LOWER RIGHT
QUADRANT UPPER RIGHT AND LOWER LEFT
QUADRANT UPPER RIGHT AND LOWER LEFT AND LOWER RIGHT