Data:10 36/PD Presentation

X₁₄₂₅ X_5,10,6,11 X₃₉₄₈ X_9,3,10,2 X_7,16,8,17 X_11,20,12,1 X_13,18,14,19 X_17,14,18,15 X_19,12,20,13 X_15,6,16,7