Gtr 1

|---------------11-----------6------------7-------------4----|
|------------12------------8------------9-------------5------|
|---------13-------------8------------9-------------6--------|
|------13--------------8------------9-------------6----------|
|---11---------------6------------7-------------4------------|
|------------------------------------------------------------|

Gtr 2

|---------------11----12-11-9--12-11-9--12-11-9---16------|
|------------12-------------------------------------------|
|---------13----------------------------------------------|
|------13-------------------------------------------------|
|---11----------------------------------------------------|
|---------------------------------------------------------|