,------------------------.               
               |{{                      |               
               |------------------------|               
               |hide circles            |               
               |                        |               
               |class "Поле 1" as f1l1 {|               
               | +Значение 1            |               
               |}                       |               
               |class "Поле 2" as f2l1 {|               
               | +Значение 2            |               
               |}                       |               
               |class "Поле 3" as f3l1 {|               
               | +Значение 3            |               
               |}                       |               
               |class "Поле 4" as f4l1 {|               
               | +Значение 4            |               
               |}                       |               
               |                        |               
               |f1l1 -[hidden]> f2l1    |               
               |f2l1 -[hidden]> f3l1    |               
               |f3l1 -[hidden]> f4l1    |               
               |}}                      |               
               |                        |               
               `------------------------'               
                                                        
                                                        
                                                        
,-------------------------.  ,-------------------------.
|{{                       |  |{{                       |
|-------------------------|  |-------------------------|
|hide circles             |  |hide circles             |
|                         |  |                         |
|class "Поле 1" as f1l11 {|  |class "Поле 1" as f1l12 {|
| +Значение 5             |  | +Значение 9             |
|}                        |  |}                        |
|class "Поле 2" as f2l11 {|  |class "Поле 2" as f2l12 {|
| +Значение 6             |  | +Значение 10            |
|}                        |  |}                        |
|class "Поле 3" as f3l11 {|  |class "Поле 3" as f3l12 {|
| +Значение 7             |--| +Значение 11            |
|}                        |  |}                        |
|class "Поле 4" as f4l11 {|  |class "Поле 4" as f4l12 {|
| +Значение 8             |  | +Значение 12            |
|}                        |  |}                        |
|                         |  |                         |
|f1l11 -[hidden]> f2l11   |  |f1l12 -[hidden]> f2l12   |
|f2l11 -[hidden]> f3l11   |  |f2l12 -[hidden]> f3l12   |
|f3l11 -[hidden]> f4l11   |  |f3l12 -[hidden]> f4l12   |
|}}                       |  |}}                       |
|                         |  |                         |
`-------------------------'  `-------------------------'
                                           |            
                                           |            
                              ,------------------------.
                              |{{                      |
                              |------------------------|
                              |hide circles            |
                              |class "Поле 1" as f1l2 {|
                              | +Значение 13           |
                              |}                       |
                              |class "Поле 2" as f2l2 {|
                              | +Значение 14           |
                              |}                       |
                              |class "Поле 3" as f3l2 {|
                              | +Значение 15           |
                              |}                       |
                              |class "Поле 4" as f4l2 {|
                              | +Значение 16           |
                              |}                       |
                              |                        |
                              |f1l2 -[hidden]> f2l2    |
                              |f2l2 -[hidden]> f3l2    |
                              |f3l2 -[hidden]> f4l2    |
                              |}}                      |
                              |                        |
                              `------------------------'
                                           |            
                              ,------------------------.
                              |{{                      |
                              |------------------------|
                              |hide circles            |
                              |class "Поле 1" as f1l3 {|
                              | +Значение 17           |
                              |}                       |
                              |class "Поле 2" as f2l3 {|
                              | +Значение 18           |
                              |}                       |
                              |class "Поле 3" as f3l3 {|
                              | +Значение 19           |
                              |}                       |
                              |class "Поле 4" as f4l3 {|
                              | +Значение 20           |
                              |}                       |
                              |                        |
                              |f1l3 -[hidden]> f2l3    |
                              |f2l3 -[hidden]> f3l3    |
                              |f3l3 -[hidden]> f4l3    |
                              |}}                      |
                              |                        |
                              `------------------------'