2/sqrt(3)*500*ln1-300+300*0.05^2/(0.1^2-0.05^2)*(0.1^2/0.05^2-1)
    35+29-37= 33-(48-38)= 69-(26+22)= 29-26+26= 29+(63-19)= 22+47-29= 28+29-37= 54-(28+19)=
    2/sqrt(3)*500*ln(0.087/0.05)-390+390*0.05^2/(0.1^2-0.05^2)*(0.1^2/0.087^2-1)
    64+24-24= 39-(27-22)= 53-(27+19)= 44-25+12= 38-(13+19)= 12+53-27= 65-34+28= 23-(49-27)=
    2/sqrt(3)*500*ln(0.0819/0.05)-380+380*0.05^2/(0.1^2-0.05^2)*(0.1^2/0.0819^2-1)
    2/sqrt(3)*500*ln(0.0819/0.05)-380+380*0.05^2/(0.1^2-0.05^2)*(0.1^2/0.0810^2-1)
    2/sqrt(3)*500*ln(0.0781/0.05)-370+370*0.05^2/(0.1^2-0.05^2)*(0.1^2/0.0781^2-1)
    2/sqrt(3)*500ln(0.0749/0.05)-360+360*0.05^2/(0.1^2-0.05^2)(0.1^2/0.0749^2-1)
    2/sqrt(3)*500ln(0.0721/0.05)-350+350*0.05^2/(0.1^2-0.05^2)(0.1^2/0.0721^2-1)
    2/sqrt(3)*500ln(0.0696/0.05)-340+340*0.05^2/(0.1^2-0.05^2)(0.1^2/0.0696^2-1)
    2/sqrt(3)*500ln(0.0674/0.05)-330+330*0.05^2/(0.1^2-0.05^2)(0.1^2/0.0674^2-1)
    2/sqrt(3)*500ln(0.0654/0.05)-320+320*0.05^2/(0.1^2-0.05^2)(0.1^2/0.0654^2-1)
    2/sqrt(3)*500ln(0.0635/0.05)-310+310*0.05^2/(0.1^2-0.05^2)(0.1^2/0.0635^2-1)
    2/sqrt(3)*500ln(0.0635/0.05)-300+300*0.05^2/(0.1^2-0.05^2)(0.1^2/0.0635^2-1)
    2/sqrt(3)*500ln(0.0617/0.05)-300+300*0.05^2/(0.1^2-0.05^2)(0.1^2/0.0617^2-1)
    2/sqrt(3)*500ln1-300+300*0.05^2/(0.1^2-0.05^2)(0.1^2/0.1^2-1)
    arctan(3.08)
    2*500/sqrt(3)*(1+ln(0.087/0.05))-390
    2*500/sqrt(3)*(1+ln(0.0819/0.05))-380
    2*500/sqrt(3)*(1+ln(0.0781/0.05))-370

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