// 7) < (X - X2)2 + (Y - Y2)2 = (R + R2)2 8) < (X - X2)2 + (Y - Y2)2 = (R + R2)2
// \_(X - X3)2 + (Y - Y3)2 = (R + R3)2 \_(X - X3)2 + (Y - Y3)2 = (R + R3)2
-// each equation (X - Xi)2 + (Y - Yi)2 = (R +- Ri)2 means that the circle (X,Y,R) is tangent
+// each equation (X - Xi)2 + (Y - Yi)2 = (R +- Ri)2 means that the circle (X,Y,R) is tangent
// to the circle (Xi,Yi,Ri).
-// The number of each system is very important. Further index i shows the numer of the system
+// The number of each system is very important.
+// Further index i shows the number of the system.
// Further Beta, Gamma and Delta are coefficients of the equation:
// R +- Ri = Beta*X + Gamma*Y + Delta where i=2 or i=3