HTML with utf-8 - 66b
<div style="font:100 50px/48px serif">▚▚▚▚<br>▚▚▚▚<br>▚▚▚▚<br>▚▚▚▚
<div style="font:100 50px/48px serif">▚▚▚▚<br>▚▚▚▚<br>▚▚▚▚<br>▚▚▚▚
▚ is short-direct utf for entity &# 9626 ;
Unicode Character 'QUADRANT UPPER LEFT AND LOWER RIGHT' (U+259A)
silly me, was looking for a 1 utf-8 char solution -would have been... 1b!