[lecture] Unify guards for UG grid
See merge request !154 (merged)
(cherry picked from commit 76b48e27)
d4699f30 [lecture] Unify guards for UG grid
[lecture] Unify guards for UG grid
See merge request !154 (merged)
(cherry picked from commit 76b48e27)
d4699f30 [lecture] Unify guards for UG grid