For the objects indicated in the table, determine which numbers they are denoted by on the plan. Fill in the table, transferring the sequence of four digits without spaces, commas, and other symbols to the answer sheet.

Explanation:

We need to identify the numbers corresponding to each object on the given plan and list them in the specified order: apple trees, greenhouse, residential building, bathhouse.

Step-by-step solution:

1. Locate 'яблони' (apple trees) on the plan. They are indicated by the number 2.
2. Locate 'теплица' (greenhouse) on the plan. It is indicated by the number 2.
3. Locate 'жилой дом' (residential building) on the plan. It is indicated by the number 3.
4. Locate 'баня' (bathhouse) on the plan. It is indicated by the number 6.

Answer: 2236