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