UPPER ONE EIGHTH BLOCK
LOWER THREE QUARTERS BLOCK
LOWER SEVEN EIGHTHS BLOCK
FULL BLOCK
LEFT ONE EIGHTH BLOCK
RIGHT HALF BLOCK
RIGHT ONE EIGHTH BLOCK
QUADRANT UPPER LEFT AND LOWER LEFT AND LOWER RIGHT
QUADRANT UPPER LEFT AND UPPER RIGHT AND LOWER RIGHT
QUADRANT UPPER RIGHT AND LOWER LEFT
QUADRANT UPPER RIGHT AND LOWER LEFT AND LOWER RIGHT