Data:L11a221/PD Presentation

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