Wash if off

You have long dreamed of opening your own gallery. The paintings that will be exhibited and ordered have already been selected, but there was no room, and when it appeared and the boxes with the paintings arrived, an even bigger problem was discovered, which could cause a complete failure. But you will be able to avoid it in Wash if off and correct the situation. The fact is that during transportation, water and dirt penetrated into the boxes with paintings. All paintings are covered with it almost completely. Besides, it dried up and hardened. Your task is to carefully and gently clean the painting with a sponge so that the rest of it falls off by itself. Be careful in Wash if off, it is important in which direction you direct the movement of the sponge.