Firecrackers

                                                            

.'.'.
.'\/'.
.'.
|"|
sesm |U| sesm
|_|

*
*.:.*
_)_
|o"o|
|.U.|
sesm |...| sesm
|___|

.*.  .*.  .*.
*.:.**.:.**.:.*
_)_  _)_  _)_
|o"o||o"o||o"o|
|.U.||.U.||.U.|
sesm |...||...||...| sesm
|___||___||___|