Data:L10a82/PD Presentation

X₈₁₉₂ X_12,3,13,4 X_20,10,7,9 X_10,14,11,13 X_16,6,17,5 X_18,16,19,15 X_14,20,15,19 X₂₇₃₈ X_4,11,5,12 X_6,18,1,17