Data:L9a23/PD Presentation

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