Data:10 46/PD Presentation

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