data := [[8, -18.09264401], [-9.531770685, -18.15822642], [-4.389884660, -17.2\
5874318], [-5.567013011, -18.32440306], [1.830951836, -15.22325977], [-5.79305\
4606, -17.95689791], [7.816723240, -13.55192952], [-1.079155230, -16.03225972]
, [-6.239218429, -17.30126594], [-3.275202151, -17.65940751], [-3.340311431, -\
16.62286272], [-1.931333172, -16.90740811], [9.827080643, -13.53231282], [-9.5\
19483529, -17.61442591], [5.733975208, -15.06431742], [4.055440382, -14.860228\
42], [-4.887701939, -16.89729780], [-3.583626344, -17.07644670], [3.440051856,
-15.42938049], [8.276362364, -14.42972452], [-8.513705904, -18.92028403], [-1.\
040447920, -16.17772467], [6.235043872, -14.48936067], [3.145768605, -14.43830\
661], [-3.658795141, -17.63149099], [5.864855065, -15.59045445]];