Data:10 47/PD Presentation

X₁₄₂₅ X₃₈₄₉ X_9,17,10,16 X_5,15,6,14 X_15,7,16,6 X_11,19,12,18 X_13,1,14,20 X_17,11,18,10 X_19,13,20,12 X₇₂₈₃