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