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