(n-3)-critical graphs (graph6-format)

# 4-critical graphs on 7 vertices:
FEnbo
FQjRo
FQyuo
FQyqw
FQzuo
FUxuo
FUzro
# 5-critical graphs on 8 vertices:
GEnbv{
GQjRv{
GQjuv{
GQyuv{
GQz^f{
GUZuv{
GUzrv{
# 6-critical graphs on 9 vertices:
HEnbv~~
HQjRv~~
HQjuv~~
HQyuv~~
HQz^f~~
HUZuv~~
HUzrv~~
# 7-critical graphs on 10 vertices:
IEnbv~~~w
IQjRv~~~w
IQjuv~~~w
IQyuv~~~w
IQz^f~~~w
IUZuv~~~w
IUzrv~~~w