Choose the packing that results from the use of the first$-$fit$-$decreasing $($FFD$)$ bin$-$packing algorithm to pack the following weights into bins that can hold no more than $8lb.$

$5lb,7lb,1lb,2lb,4lb,5lb,1lb,1lb,3lb,6lb,2lb,3lb$

a$.$

b$.$

c$.$

d$.$ Another packing

a

b

c

d