Data:10 52/PD Presentation

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