QUADRANT UPPER LEFT AND UPPER RIGHT AND LOWER LEFT
LOWER THREE QUARTERS BLOCK
LOWER SEVEN EIGHTHS BLOCK
LEFT FIVE EIGHTHS BLOCK
LEFT THREE EIGHTHS BLOCK
LIGHT SHADE
MEDIUM SHADE
UPPER ONE EIGHTH BLOCK
RIGHT ONE EIGHTH BLOCK
QUADRANT UPPER LEFT AND LOWER LEFT AND LOWER RIGHT
QUADRANT UPPER LEFT AND LOWER RIGHT