Data:10 79/PD Presentation

X₆₂₇₁ X₈₄₉₃ X_12,6,13,5 X_18,13,19,14 X_16,9,17,10 X_10,17,11,18 X_20,15,1,16 X_14,19,15,20 X₂₈₃₇ X_4,12,5,11