Data:10 49/PD Presentation

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