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