Get into the corner and aim as shown. Just make sure you aim a little to the right of the edge. This molly will burn catwalk.
Aim for the corner of the panel and you can stop enemies from defusing on the default plant from B Heaven. Does not have to be super precise.
Get into the corner aim for the triangle on the building. Does not have to be very precise, but it lands near CT so you can slow down rotation into the site when taking B
If defenders push mid, this molly can prevent them from staying in the quad area for some time. Or flush out defenders using that angle
Stand next to the barrels in B Lobby and aim at the top corner of the white building