Solo:

 |------------------------------------------------------------------------------------------15------
 |-----------------12-18-18-15-16-15-------------------12--15-12-13-15-13-16-15-18-16-18b-16--16-18b
 |-15b-15-13-15-13------------------17--15b-15-13-15-13---------------------------------------------
 |--------------------------------------------------------------------------------------------------
 |--------------------------------------------------------------------------------------------------
 |--------------------------------------------------------------------------------------------------

 |--------------------------------18-18b-18b-18-18b-------------------------------------------------
 |-18-16---18-----16-15-16b-16-15-18----------------------------------------------------------------
 |-------16--16-15----------------------------------------------------------------------------------
 |--------------------------------------------------------------------------------------------------
 |--------------------------------------------------------------------------------------------------
 |--------------------------------------------------------------------------------------------------