27     }

    27     }

    28     return self;

    28     return self;

    29 }

    29 }

    30 

    30 

    31 -(void) addOne {

    31 -(void) addOne {

    32     self.highlighted = NO;

    33     self.highlighted = NO;

    33     NSInteger number = self.numberOfHogs;

    34     NSInteger number = self.numberOfHogs;

    34     number++;

    35     number++;

    35     [self drawManyHogs:number];

    36     [self drawManyHogs:number];

    36 }

    37 }