Flow By!

A pixel picture hangs above three roads. A lot full of vans waits underneath. Clear the picture and the level is yours. Tap a van and it pulls out the way its arrow points and joins the traffic. As it drives past the picture it rains balls of its own colour, and every pixel of that colour in its line breaks off and goes. The number on the roof is the ammo it carries. When the ammo runs out the van leaves the road and frees its place. So every tap asks two questions at once. Can this van get out of the jam, and does the picture still hold its colour where it is going? Three one way roads run past the picture: one up each side, one across the bottom. Each road holds three vans. A full road refuses you, and nothing brings a van back once it is out. Free them in the wrong order and the picture is still standing when the lot is empty. WHAT IS IN IT A picture to clear in every level, pixel by…