<html><body><div style="color:#000; background-color:#fff; font-family:arial, helvetica, sans-serif;font-size:10pt"><div style="font-family: arial, helvetica, sans-serif; font-size: 10pt;">Hello,</div><div style="font-family: arial, helvetica, sans-serif; font-size: 10pt;"><br></div><div style="font-family: arial, helvetica, sans-serif; font-size: 13px; color: rgb(0, 0, 0); background-color: transparent; font-style: normal;">I see in pg routing web site that provide Yen algorithm function. </div><div style="background-color: transparent;"><font face="arial, helvetica, sans-serif" size="2">I try to run the algorithm but it's impossible to do.</font><br></div><div style="background-color: transparent; color: rgb(0, 0, 0); font-size: 16px; font-family: 'Times New Roman'; font-style: normal;"><font face="arial, helvetica, sans-serif" size="2">Can you tell me the steps that i can do to run the algorithm successfully?</font></div><div
style="background-color: transparent; color: rgb(0, 0, 0); font-size: 13px; font-family: arial, helvetica, sans-serif; font-style: normal;"><font face="arial, helvetica, sans-serif" size="2"><br></font></div><div style="background-color: transparent; color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-style: normal;"><font size="2">Thank you in advance</font></div></div></body></html>