sed -n '
s/_c2_gv13/DoBarnes/g
s/_c2_gv171/main/g
s/_c2_nv83/PrintAns/g
s/_c2_nv71/Move/g
s/_c2_nv59/MakeTree/g
s/_c2_nv95/Tree/g
s/c2_gv14/DoBarnes/g
s/_c2_gv0/main/g
s/_c2_nv28/PrintAns/g
s/_c2_nv25/Move/g
s/_c2_nv20/MakeTree/g
s/_c2_nv23/Tree/g
s/[0-9]//g
p
'
