data := [[7.643775881, 25.98579390], [4.807239952, 16.05006330], [-5.894557185
, -2.765470560], [1.592013911, 10.11109179], [2.930030026, 13.86891775], [7.37\
8877117, 20.97374504], [-3.088118759, -1.922541266], [-5.713911171, -4.2816546\
80], [6.448551130, 17.47581728], [-2.486137451, 2.499418309], [3.723113906, 19\
.38122310], [4.614567559, 15.09207252], [-7.360698851, -3.715006845], [-2.2508\
56260, 5.993274668], [.558385432, 7.068647690], [-2.044110589, 4.330451642], [
-9.810610957, -11.49747445], [-.193290387, 3.345300717], [.6825240536, 10.8021\
1857], [-7.016875335, -6.423157573], [-8.871617345, -12.41086139], [-2.5105281\
18, 2.015514942], [-4.524077974, -3.144599325], [5.611466056, 22.85719338], [4\
.506392769, 13.41340155]];