(4/4)

 |       |       |       |        |       |       |       |
|--------------------------------|--------------------------------|
|3---------------3---------------|3---------------3---------------|
|3---------------0---------------|3---------------5---------------|
|0-------0---------------2-------|4---------------5---------------|
|0-------------------------------|--------------------------------|
|--------------------------------|--------------------------------|

 |       |       |       |        |       |       |       |
|--------------------------------|--------------------------------|
|3-------2---0---2---------------|3-------------------------------|
|1-----------------------3-------|5-------0-------3---------------|
|2-------------------------------|0-------------------------------|
|--------------------------------|------------------------3-------|
|--------------------------------|--------------------------------|

 |       |       |       |        |       |       |       |
|--------------------------------|--------------------------------|
|3-----------------------3-------|--------3-------2-------0-------|
|3-------2---0---2---------------|--------0-----------------------|
|--------------------------------|----------------2-------0-------|
|2-------------------------------|0-------------------------------|
|--------------------------------|--------------------------------|

 |       |       |       |        |       |       |       |
|----------------0---------------|2-------0-----------------------|
|2-------------------------------|----------------3---------------|
|--------3---------------1-------|3---------------5---------------|
|2-------------------------------|4---------------5-------4-------|
|0-------------------------------|--------------------------------|
|--------------------------------|--------------------------------|

 |       |       |       |        |       |       |       |
|0-----------------------3-------|--------3-------2-------0-------|
|3-------2---0---2---------------|--------0-----------------------|
|--------------------------------|----------------3-------1-------|
|2-------------------------------|0-------------------------------|
|--------------------------------|--------------------------------|
|--------------------------------|--------------------------------|

 |       |       |       |        |       |       |       |
|2---------------0-------2-------|----0---------------------------|
|--------0-----------------------|--------3---2---3---------------|
|3-----------------------3-------|----------------0-------0-------|
|0-----------------------0-------|--------------------2-------0---|
|----------------4---------------|2-------------------------------|
|--------------------------------|--------------------------------|

 |       |       |       |        |       |       |       |
|--------------------------------|--------------------------------|
|2-------3-------0---------------|--------0-----------------------|
|--------0-------0---------------|3---------------1---------------|
|2-----------------------2-------|--------0-----------0-----------|
|0-------------------------------|------------------------4-------|
|----------------3---------------|2---------------0---------------|

 |       |       |       |        |       |       |       |
|--------5-----------3-2-0-------|3---------------2---------------|
|--------------------------------|----------------0---2---3-------|
|0---------------3-----------1-0-|----0---1---3---------------0---|
|0-------------------------------|2-------------------------------|
|--------------------------------|--------------------------------|
|--------------------------------|--------------------------------|

 |       |       |       |        |       |       |       |
|0-------0-------2---------------|----------------0---------------|
|0-------2-------3---------------|----------------0-----------3---|
|1-------3-----------0---5-------|2-------3-------3-------2-------|
|----------------0---------------|0---------------2---------------|
|--------------------------------|--------4-------2---------------|
|--------------------------------|0---------------0---------------|

 |       |       |       |        |       |       |       |
|--------0---------------0-------|2-------0-----------------------|
|2-------------------3---0---2---|3-----------------------3-------|
|3-------------------3---1-------|--------3-------3---------------|
|2-------------------------------|0-------2-------4---------------|
|0-------------------------------|--------4-----------------------|
|------------3---2-------0-------|--------------------------------|

 |       |       |       |        |       |       |       |
|--------------------------------|-------------------------------||
|--------3-------2---------------|3------------------------------||
|--------0---------------1-------|0------------------------------||
|----------------2---------------|0------------------------------||
|0-------------------------------|-------------------------------||
|--------------------------------|-------------------------------||