step 3
1. Construct 3 polygons which can be filled with 9 of already formed polygons. 
2. Construct 3 more texts one will connected with the number a, other one with b and last one with c.
3. Contruct a sign box with is connected with formed 3 text boxes.
2. Construct 3 more texts one will connected with the number a, other one with b and last one with c.
3. Contruct a sign box with is connected with formed 3 text boxes.