Data:L10a164/PD Presentation

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