if (blankTopLeft.isDown(event)){cout << "a1\n"
      }
      if (blankTopMiddle.isDown(event)){cout << "a2\n"
      }
      if (blankTopRight.isDown(event)){cout << "a3\n"
      }
		
      if (blankCenterLeft.isDown(event)){cout << "b1\n"
      }
      if (blankCenterMiddle.isDown(event)){cout << "b2\n"
      }
      if (blankCenterRight.isDown(event)){cout << "b3\n"
      }

      if (blankBottomLeft.isDown(event)){cout << "c1\n"
	}
	if (blankBottomMiddle.isDown(event)){cout << "c2\n"
	}
	if (blankBottomRight.isDown(event)){cout << "c3\n"
	}

for (int y=0;y<3;y++)
    for (int x=0;x<3;x++)
        if (black[x][y].isDown(event))