import anar.*;
 
 
 
 
void setup(){
  size(600,300);
  int sizeOfGrid = 100;
 
  // horizontal grid lines
  for (int i = 0; i<height; i = i+sizeOfGrid){
    if(i==2*sizeOfGrid){
      line(0,i,width,i);
    }
  }
 
  // vertical grid lines
  for (int i = 0; i<width; i = i+sizeOfGrid){
    if(i!=3*sizeOfGrid){
      line(i,0,i,height);
    }
  }
}