Data:10 53/PD Presentation

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