|   |   |     |   |   |     |   |   |     |   |   |       |   |   |     |   |    |
||-------------|-------------|-------------|-------------||--------------|--------------|
||-------------|-------------|-------------|-------------||------9---6---|-----8----8---|
||-------------|-------------|-------------|-------------||o-----7-8-7---|-----8-10-8---|
||-8-------8-8-|-8-------8-8-|-8---8-8-8---|-8-8-8---8-8-||o-8---8---8---|-8---8----8---|
||-------------|-------------|-------------|-------------||--------------|-6------------|
||-------------|-------------|-------------|-------------||--6-----------|--------------|
   f

   |   |   |     |   |   |     |   |   |     |   |   |     |   |   |     |   |   |
 |-------------|-6---6---6-6-|-6---8-6-4---|-4---6-4-3---|-3---4-3-----|-------------|
 |-----9-8-9---|-8---8---8-8-|-8---6-------|-----4---4---|-----3---6---|-6---8-6-4---|
 |-----7---7---|-6---6---6-6-|-6-------5---|-4---0---3---|-3-------7---|-----8---0---|
 |-8---8---8---|-------------|-----6-------|-------------|-----3---6---|-6---8-------|
 |-------------|-6-------7---|-8-----------|-------------|-1-----------|-6-----------|
 |-------------|-------------|---------4---|-6-----------|-------------|-------------|
                 sf            p

   |   |   |     |   |    |     |   |   |     |   |   |     |   |   |     |   |   |
 |-------------|--------------|-------------|-6---6-0-6---|---6-8-6-4---|---4-6-4-3---|
 |-----9---6---|-----8----8---|-----9-8-9---|-8---8---8---|-----6-------|-----4---4---|
 |-----7-8-7---|-----8-10-8---|-----7---7---|-6---6-6-----|-6-------5---|-4-------3---|
 |-8---8---8---|-8---8----8---|-8---8---8---|-------------|-----6-------|-----5---5---|
 |-------------|-6------------|-------------|-6-----------|-8-----------|-------------|
 |-6-----------|--------------|-------------|-------------|---------4---|-6-----------|
   f                                         sf
                ______________  _____________
               | 1.           || 2.          |
   |   |   |     |   |   |       |   |   |     |   |   |     |   |   |     |   |   |
 |---3-4-3-1---|--------------||-------------|-------------|-------------|-------------|
 |-----3---3---|-4------------||-4---4-4-4-4-|-4-4-4-4-4-4-|-6-4---------|-------------|
 |-3-------1---|-3---3-3-3-3-o||---------6---|-----5---5---|-----5---5---|-----3---3---|
 |-----3-------|-5-----------o||-5---5---5---|-----6---6---|-----6-6-6---|-3-3-3-3-3-3-|
 |-1-----------|-6------------||-6-------6---|-----6---6---|-----6---6-7-|-----5---5---|
 |-------------|--------------||-------------|-4-----------|-4-----------|-4-----------|
                                               p

   |   |   |     |   |   |     |     |   |     |    |    |     |   |   |
 |---------4-0-|-------------|---------6-8---|-13---11-9-----|-6---4-------|
 |-------4-----|-6-6-6-6-6-6-|-6h8p6---------|-----------8---|-------4-1---|
 |-----5---5---|-------------|-------8-------|------0----0---|-----1---1---|
 |---6-6---6---|-----8---8---|-------6---6---|---------------|-----1---1---|
 |-6---6---6---|-5-----------|-6-----6---6---|---------------|-----3---3---|
 |-4-----------|-------------|-------8---8---|-11---9----9---|-4-----------|
                                               p