First fillRect
0 0 0 0 0 
0 0 0 0 0 
0 0 ffffffff 0 0 
0 0 ffffffff 0 0 
0 0 0 0 0 

Second fillRect
ffaabbcc ffaabbcc 0 0 0 
ffaabbcc ffaabbcc 0 0 0 
0 0 ffffffff 0 0 
0 0 ffffffff 0 0 
0 0 0 0 0 

Bytes len: 36
Bytes: ffaabbcc ffaabbcc 0 ffaabbcc ffaabbcc 0 0 0 ffffffff 
