QUADRANT UPPER LEFT AND UPPER RIGHT AND LOWER LEFT
UPPER HALF BLOCK
LOWER ONE EIGHTH BLOCK
LEFT THREE QUARTERS BLOCK
LEFT HALF BLOCK
LEFT ONE QUARTER BLOCK
LIGHT SHADE
QUADRANT UPPER LEFT AND LOWER LEFT AND LOWER RIGHT
QUADRANT UPPER RIGHT
QUADRANT UPPER RIGHT AND LOWER LEFT
QUADRANT UPPER RIGHT AND LOWER LEFT AND LOWER RIGHT