ddddddddddddddddddddddddddddd
dddddddddddddddddddd
ffffffffffffffffffffffff
ffffffffffffffffffffffffff
rrrrrrrrrrrrrrrrrrrrrrrrrrrrr
ffffffffffffffffffffffffffffff
RRRRRRRRRRRRRRRRR
DDDDDDDDDDDDDDDDDDDDD
ffffffffffffffffffffffffffff5
dddddddddddddddddddddddddddd