anchor.diff:  #define POWER 50
  -#define PACE_ROTATION_DEGREES 516
  +#define PACE_ROTATION_DEGREES 35
   #define TURN_90_ROTATION_DEGREES 506
   
   int wait_time = 100;
  
positive.code: 
  task main() {
  
    Precedes(red, maze);
  
  }
  
negative.code:   move_end();
  }
  
  sub pendown() {
    RotateMotor(OUT_A, POWER, 18);
    move_end();
  }
  
  sub penup() {
    RotateMotor(OUT_A, POWER, -18);
    move_end();
  }
  
  task code() {
    pendown();
    <%= nxc_block %>
    wait(2000);
  }
  