Using the point T_c and the point I, construct a line s_c (rule W02);

% DET: points T_c and I are not the same

Choose freely a point C on the line s_c (rule WOnline1)

Using the point C and the point I, construct a line m(CI) (rule W14);

% DET: points C and I are not the same

Choose freely a point A (rule free)

Using the point A and the point C, construct a point M_b (rule W01);

Using the point A and the point C, construct a line b (rule W02);

% DET: points A and C are not the same

Using the point A and the point T_c, construct a line c (rule W02);

% DET: points A and T_c are not the same

Using the point M_b and the line b, construct a line m_b (rule W10b);

Using the line m_b and the line m(CI), construct a point N_b (rule W03);

% NDG: lines m_b and m(CI) are not parallel

% DET: lines m_b and m(CI) are not the same

Using the point N_b and the point I, construct a line s_b (rule W02);

% DET: points N_b and I are not the same

Using the line c and the line s_b, construct a point B (rule W03);

% NDG: lines c and s_b are not parallel

% DET: lines c and s_b are not the same