dddddddddddddddddddddddddddddddd
ddddddddddddddddddddddddd
gggggggggggggggggggggggggg
ddddddddddddddddddddddddddddddddddd
dddddddddddddddddddddddddddddd
dddddddddddddddddddddddddddddddddddddddd