Data:L11a512/PD Presentation

X₈₁₉₂ X_16,5,17,6 X_22,15,13,16 X_14,4,15,3 X_4,14,5,13 X_12,17,7,18 X_10,19,11,20 X_18,9,19,10 X_20,11,21,12 X₂₇₃₈ X_6,21,1,22