Data:K11a31/PD Presentation

X₄₂₅₁ X₈₄₉₃ X_14,6,15,5 X₂₈₃₇ X_16,10,17,9 X_18,11,19,12 X_6,14,7,13 X_22,16,1,15 X_20,18,21,17 X_10,19,11,20 X_12,22,13,21