dddddddddddddddddddddddddddddddddddddddddddddddddd
mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm
ddddddddddddddddddddddddddddddddddddddddddddddddddddd
dddddddddddddddddddddddddddddddddddddddddddddddddd
mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm
ddddddddddddddddddddddddddddddddddddddddddddddddddddd