e)
Fit five small coals behind the second row of coals as shown below in
Fig. 9
Fig. 9
f)
Fit four small coals on the back row as shown below in Fig. 10
Fig. 10
g)
The remaining two large and two small coals should be placed at each
end of the third row of coals as shown overpage in Fig. 11
14
Small
Small
Small
Small
Small
Small
Small
Small
Small