QUADRANT UPPER RIGHT AND LOWER LEFT AND LOWER RIGHT
LOWER THREE EIGHTHS BLOCK
LOWER FIVE EIGHTHS BLOCK
LOWER SEVEN EIGHTHS BLOCK
LEFT FIVE EIGHTHS BLOCK
LEFT THREE EIGHTHS BLOCK
LEFT ONE QUARTER BLOCK
RIGHT HALF BLOCK
MEDIUM SHADE
QUADRANT UPPER LEFT AND LOWER LEFT AND LOWER RIGHT
QUADRANT UPPER LEFT AND UPPER RIGHT AND LOWER LEFT