******************************ORIGINAL******************************
Xmin->X
.5V(Y1-Y2->T
Xmax->X
T+.5V(Y1-Y2->T
For(X,Xmin+V,Xmax-V,V
Y1-Y2->B
X-V->X
Y1-Y2->B
T+2ZV(A+B->T
X+V->X
End


******************************REDONE*************************************
{0->A
Xmin->X
.5V(Y1-Y2
Xmax->X
Ans+.5V(Y1-Y2->T
seq(Y1-Y2,X,Xmin+V,Xmax-V,V
End
0
For(U,1,Dim(L_A
//Use Sum(seq( here. GOOGLE SUM(
Ans +.5V(L_A(U)+(L_A(U+1
End